滤周期；过滤器工作周期

filter run的用法和样例：

例句

It's a55-minute run from London to Brighton.伦敦到布赖顿的火车行程为五十五分钟。
Maybe they planned to finish interviews by a certain date, but scheduling problems caused the interview process to run longer than anticipated.可能他们原本打算在某个时间结束面试的，但是由于行程安排问题，导致了面试的过程比预期的还要长。

Chicken Run

Scene 1: A group of chickens are planning to escape Tweedy's Farm. Mrs. Tweedy: Mr. Tweedy, what is that chicken doing outside the fence? Mr. Tweedy: Ooh! Hehe. I don't know. I... Mrs. Tweedy: Just de

发表于:2018-11-28 / 阅读(328) / 评论(0)

疯狂英语2001年

365个英语简短小故事-335. The Vacuum Cleaner Filter(2)

But the HEPA filter for Olivers Vibe got dirty very quickly. And, it was not cleanableit was simply replaceable. When it turned filthy brown, Oliver went back to Target to buy a new filter. Oddly, Target sold the F15 belt for the Vibe, but not the fi

发表于:2018-12-11 / 阅读(229) / 评论(0)

365个英语简短小故事

天天练口语：Run, Run, Run

Tess:What a great run, Grant! I feel great! How do you feel? 黛丝：这次跑步真棒，格兰特！我觉得很舒服！你觉得怎么样？ Tess:Grant? Hey, Grant! Where are you? 黛丝：格兰特？喂，格兰特！你在哪里？ Tess:There

发表于:2018-12-26 / 阅读(202) / 评论(0)

天天练口语

Indian Scientists Invent Nose Filter to Protect Against Air Pollution

From VOA Learning English, this is the Health Lifestyle report. In parts of India, it is not uncommon to see people wearing a mask over their nose and mouth. The capital, New Delhi, has some of the world's dirtiest air. The pollution was a call for a

发表于:2019-01-03 / 阅读(220) / 评论(0)

2018年VOA慢速英语(一)月

英语歌曲:Run This Town

Run This Town Jay-Z Ft. Rihanna Kanye West [Intro - Rihanna] Feel it comin' in the air And the screams from everywhere I'm addicted to the care It's a dangerous love affair Can't be scared when it goes down Got a problem, tell me now Only thing that'

发表于:2019-01-10 / 阅读(220) / 评论(0)

好听的英文歌曲

英文歌曲：无限奔跑 Emme Packer - Run Run Run

On the moon with the dust not stone many crater for my bed. There is a strange man which is cheer up rocking back with which bias on my head. In the room with the king and the queen and the prince and the princess too. And a dog is the God for the go

发表于:2019-01-11 / 阅读(246) / 评论(0)

金属

2007年VOA标准英语-Water Filter Wins Developer Engineering Prize

By Tabinda Naeem Washington, D.C. 21 May 2007 Two years ago, the National Academy of Engineering established the Grainger Challenge Prize for Sustainability. This $1 million award was designed to challenge the world's scientists to develop a practica

发表于:2019-02-03 / 阅读(266) / 评论(0)

2007年VOA标准英语（五月）

英语歌曲:Run To You

Run To You In a perfect world Im no one's fool I would known to kept my cool But thats not the case I'm not looking good I'm not backing down but I know I should But I'm gonna run to u I'm gonna try and mend my broken heart I might have lost my mind

发表于:2019-02-07 / 阅读(165) / 评论(0)

好听的英文歌曲

加州英语分级G6 Marla Runyan In it for the Long Run 01

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加州英语分级G6

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学英语单词

belt gear (belt gearing)