单词:emergency valve piston
单词:emergency valve piston 相关文章
Part 13 Ballast handling 1. Scuppers plugged. 2. Open sea suction valve and report. 3. Sea suction valve closed. 4. Ballast pump stopped.
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Ocean Floor Reveals Past Climate Changes Time capsule Lamont research professor Maureen Raymo, the director of the Core Repository, slides open a long, narrow drawer from the cabinet. Like thousands of others here, the drawer contains a long, thin cy
Mechanical problem 2 机械故障2 A: Why have you stopped production? A:你为什么停产? B: We've had a few problems. One of the bolts has worked loose and a blade has snapped off. B:有点问题。有个螺栓松了,一个刀片折断了。
A group of senior students from Zhejiang University have successfully developed an air hand-washing device. 浙江大学的一队大四学生成功研制出了空气洗手装置。 The device utilizes an infrared ray induction system, which detects t