中凸形螺旋弹簧

barrel-shaped spring的用法和样例：

例句

The coil,or helical,spring consists of a wire or rod wound into a helix and is primarily intended for axial direct compression or tension loads.卷簧，或者说螺旋形弹簧包括一条盘成螺旋形的金属丝盘条，它起初是用于轴向直接压力和拉伸。

15 JILL STUART SPRING SHOW

Jill Stuart combines the thrill of the 50s with the fun of the 80s for Spring 2001. Off-the-shoulder looks and fitted capris, micro minis and cinched waist, Madonna and 1)Brigitte Bardot; Jill Stewart

发表于:2018-11-28 / 阅读(464) / 评论(0)

疯狂英语2001年

Spring

Springs are not always the same. In some years, April bursts upon Virginia hills in one 1) prodigious leap - and all the stage is filled at once, whole 2) choruses of tulips, 3) arabesques of 4) forsy

发表于:2018-11-28 / 阅读(295) / 评论(0)

疯狂英语2002年

Thoughts on the Spring Festival

Lesson 31 Thoughts on the Spring Festival Text A My first Spring Festival in north China was a bit of a shock. Where was the spring? There was snow on the ground and ice on the Summer Palace lake and

发表于:2018-12-02 / 阅读(497) / 评论(0)

中级口语教程

UNIT 1 Spring Is Coming! Lesson 2: It's Getting Warmer!

[ti:UNIT 1 Spring Is Coming! Lesson 2: It's Getting Warmer!] [0:00.188]UNIT 1 第一单元 [0:01.922]Spring Is Coming! 春天来了 [0:03.562]Lesson 2: 第2课： [0:05.109]It's Getting Warmer! 天气暖和了！ [0:07.284]THINK ABOUT IT! 想一想 [

发表于:2018-12-13 / 阅读(300) / 评论(0)

外研社新标准初中英语八年级上(2013版)

UNIT 1 Spring Is Coming! Lesson 3: Postcards!

[ti:UNIT 1 Spring Is Coming! Lesson 3: Postcards!] [0:00.135]UNIT 1 第一单元 [0:01.749]Spring Is Coming! 春天来了 [0:03.318]Lesson 3: 第3课： [0:05.111]Postcards! 明信片！ [0:08.114]Dear Jenny, 亲爱的珍妮： [0:09.504]Today is Mar

发表于:2018-12-13 / 阅读(250) / 评论(0)

外研社新标准初中英语八年级上(2013版)

美文欣赏-No More Silent Spring

17 No More Silent Spring Rachel Carson was a scientist and a bird watcher. She noticed, in the late '50s, the gradual disappearance of some birds, and linked it to our use of 1)pesticides. She wrote a book about her fear that 2)robins would sing no

发表于:2018-12-14 / 阅读(245) / 评论(0)

美文欣赏

Wind is the characteristic of spring.

本讲为2005年下半年新的教学内容，请对照教材听录音！ Wind is the characteristic of spring. Women _being_ (be) the weaker and dependent sex , it is only natural that they should cr

发表于:2018-12-15 / 阅读(227) / 评论(0)

自考英语（一）78讲

新标准初中英语第二册--Module 2 Spring Festival

[00:00.00]Module 2 Spring Festival [00:03.49]Unit 1We're getting ready forthe Spring Festival. [00:08.06]Vocabulary and listening1 Match the words with the pictures. [00:15.38]1 cleaning the house2 cooking the meal3 getting ready for the Spring Festi

发表于:2018-12-17 / 阅读(238) / 评论(0)

新标准初中英语第二册

Faith轻松电台：Spring Is Here春天来了

Welcome to Spring at Faith Radio Online-Simply to Relax, Im Faith. Today, look at the blue sky, hear the grass growing beneath your feet, inhale the scent of spring, let the fruits of the earth linger on your tongue, reach out and embrace those you

发表于:2019-01-02 / 阅读(286) / 评论(0)

Faith轻松电台

Spring 春-心灵鸡汤

Spring 春 Springs are not always the same. In some years, April bursts upon Virginia hills in one prodigious leap and all the stage is filled at once, whole choruses of tulips, arabesques of forsythia, cadenzas of flowering plum. The trees grow leav

发表于:2019-01-03 / 阅读(491) / 评论(0)

趣味英语

中英翻唱:It Might As Well Be Spring 我象一只无歌可唱

It Might As Well Be Spring 我象一只无歌可唱的夜莺演唱者：Laura Fygi 第18届奥斯卡最佳电影歌曲，这个版本是荷兰萝拉歌手翻唱的。歌曲原唱是60年代赫赫有名的大牌男星弗兰克-辛纳特拉（Frank Si

发表于:2019-01-03 / 阅读(209) / 评论(0)

中英翻唱歌曲

英语新闻视频 Gearing up for the Spring Festival

Red couplets, red lanterns, red paper-cuts, red fireworks, red Chinese knots and more there's even red underwear. But it's not just red that's all around there are rats, rats and more rats. According to the Chinese lunar calendar, the upcoming Sprin

发表于:2019-01-05 / 阅读(239) / 评论(0)

英语新闻视频

Lesson 120 - SPRING CHICKEN / GOOSE BUMPS

spring chicken goose bumps 古今中外，大家都认为年轻少女是美丽和具有青春活力的象征。美国人在这方面似乎更加敏感，希望能够永保青春。一般人都尽量不让

发表于:2019-01-06 / 阅读(277) / 评论(0)

美国习惯用语

英文歌曲:It Might As Well Be Spring

It Might As Well Be Spring Sophie Milmanm I'm as restless as a willow in a windstorm I'm as jumpy as a puppet on a string I'd say that I had spring fever But I know it isn't even spring I'm as starry eyed and gravely discontented Like a nightingale w

发表于:2019-01-09 / 阅读(221) / 评论(0)

好听的英文歌曲

白领英语晨读-141 Dance of Spring　春之舞

Dance of Spring Springs are not alway the same. In some years, April bursts up Virginnia hills in one prodigious leap-and all the stage is filled at once, whole chorusesof tulips, arabesques of forsythia,cadenzas of flowering plum. The tress grow le

发表于:2019-01-17 / 阅读(279) / 评论(0)

白领英语晨读

中考英语满分作文:描写春雨 Spring Rain

Spring Rain 春雨 Spring comes.lt'sgetting warmer and warmer.Everything is dry, trees, fields and even the air. Just then, it rains. lt's as soft as silk. It washes the dirty of the earth and waters the plants and the fields. lt also waters people's

发表于:2019-02-01 / 阅读(180) / 评论(0)

英语作文

英语歌曲:Spring came,rain fell--春天來了，雨將至

Spring came,rain fell--春天來了，雨將至 waiting for the big fall 等待將至的大雨 to take us all 把我們帶走吧 quiet nights and desperate love 寂靜的夜，絕望的愛 we need it all 我們都需要麽？ spring came rain fell 你看

发表于:2019-02-03 / 阅读(212) / 评论(0)

好听的英文歌曲

CCTV9英语新闻：Global oil prices hit new lows since spring 2009

The global oil markets experienced another blow on Monday, with prices hitting their lowest in five and a half years. US crude at one point hit below $50 a barrel, while Brent dove under $53. This was related to the latest signs of oversupply. Russia

发表于:2019-02-07 / 阅读(232) / 评论(0)

cctv9英语新闻2015年

Spring’s Here--Finally

The waterfall behind our house at the lower end of Lake Edenwold is a thundering cascade of spring runoff from the melting snows of winter. It's been a three-week drum roll leading up to today, when the cymbal will crash and the earth will arrive at

发表于:2019-02-17 / 阅读(255) / 评论(0)

阅读空间

趣味青春英语电台第360期:Travelling for Spring Festival

Topic: Parts of China travelling 关于中国的旅行 Travelling for Spring Festival 春节期间的旅行

发表于:2019-02-23 / 阅读(200) / 评论(0)

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balun (balanced-unbalanced transformer)