气吸排种器式播种机;气吸式播种机

海事英语600句 13

Part 13 Ballast handling 1. Scuppers plugged. 2. Open sea suction valve and report. 3. Sea suction valve closed. 4. Ballast pump stopped.

发表于:2018-12-05 / 阅读(189) / 评论(0)

海事英语

THE HUMAN FLY

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发表于:2018-12-26 / 阅读(129) / 评论(0)

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发表于:2018-12-27 / 阅读(182) / 评论(0)

趣味青春英语

英语听力训练连载 listen 30

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发表于:2018-12-27 / 阅读(125) / 评论(0)

英语听力训练连载

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发表于:2018-12-27 / 阅读(114) / 评论(0)

听力每日练习

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发表于:2019-01-02 / 阅读(197) / 评论(0)

午后咖啡

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发表于:2019-01-12 / 阅读(115) / 评论(0)

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What Are Those Marks on the Olympic Athletes?

AS IT IS 2016-08-10 What Are Those Marks on the Olympic Athletes? American swimmer Michael Phelps has won more Olympic medals than anyone in history. On Sunday night, he added another gold medal as a member of the USA 4x100-meter freestyle relay team

发表于:2019-01-12 / 阅读(195) / 评论(0)

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发表于:2019-01-19 / 阅读(147) / 评论(0)

VOA双语新闻 2015年7月

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发表于:2019-02-06 / 阅读(159) / 评论(0)

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发表于:2019-02-16 / 阅读(192) / 评论(0)

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学英语单词

A (alarm)

aggressive expression and catharsis

allosteatodes

aniline-water solution

buffering power of soil

Burtas

carriage and four