na. 【机】提升阀
[网络] 随转阀；提阀；跳动阀

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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(83) / 评论(0)

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发表于:2018-12-12 / 阅读(124) / 评论(0)

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00:00.00]Unit 3 Let's go shopping. [00:05.20]Lesson 13 1.Learn to say [00:11.08]Dad,can I help? Yes.Give me a brush,please. [00:18.23]Which one? The big one. [00:22.78]2.Listen,Read and Write. [00:31.32]Give me a brush,please. [00:35.19]broom brush m

发表于:2018-12-13 / 阅读(75) / 评论(0)

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发表于:2018-12-29 / 阅读(32) / 评论(0)

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unit32 Escape Valve 逃避责任之门

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到听力原文收集区，您将会获得10到30积分的奖励! Thank you！

发表于:2019-01-02 / 阅读(129) / 评论(0)

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EXPLORATIONS - Puppets Teaching Children Around the World By Karen Leggett Broadcast: Wednesday, January 05, 2005 (MUSIC) VOICE ONE: I'm Steve Ember. VOICE TWO: The Kids on the Block can help children

发表于:2019-01-04 / 阅读(54) / 评论(0)

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