阀瓣

valve flap的用法和样例：

例句

All valve seats and seat discs shall be replaceable.所有阀门阀座和阀座阀瓣应该是可更换的。
Grease Injector at Seat Ring and Disc of Globe Valve.截止阀的阀座环和阀瓣上的润滑油注入器。

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发表于:2018-11-28 / 阅读(261) / 评论(0)

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23. Necessity 1. It is necessary that you should learn from him. 2. It is not necessary for you to come to school on Sundays. 3. He needs to go and see his teacher. 4. I neednt go to work on holidays. 5. You dont need to know about chemistry and you

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I pulled the unmarked envelope out of my pocket and set it on top of Alice's black leather bag. She looked at me. 我把那封尚未署名的信封从钱包里拿出来，放到爱丽丝那只黑色的皮包上。她看着我。 My letter, I said. Sh

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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！

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发表于:2019-01-17 / 阅读(127) / 评论(0)

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发表于:2019-02-07 / 阅读(130) / 评论(0)

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发表于:2019-02-09 / 阅读(169) / 评论(0)

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He is looking and go And thats paparazzi right there. 他看着那人想着那人一定是狗仔 Do you see?do you see there is a curtain there? 你看到了吗那个帘子 That's just have flap happen to fly up. 帘子正好飘起来 That's when

发表于:2019-02-15 / 阅读(111) / 评论(0)

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The unopened box contained a bar of soap. He dug under the end flap with his thumbnail. He couldn't pry the flap open. He tried to dig under the other end flap. He couldn't pry that flap open either. This is a simple, cardboard box, he thought. Why i

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When his lips opened, no words escaped them, only a moan. 他张开嘴巴，却说不出话，只有呻吟。 Where is Mirri Maz Duur? she demanded, her patience rubbed raw with fear. 弥丽马兹笃尔在哪儿？她的耐心快要被恐惧磨光，忍

发表于:2019-02-25 / 阅读(120) / 评论(0)

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