单词:relief valve effluent
单词:relief valve effluent 相关文章
Who would have ever thought that a creature with an extending 1) turtle-like neck, a finger as bright as a nightlight, or a 2) penchant for Coors beer would translate into hundreds of millions of doll
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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Water pollution 水污染 A: Is the lake very polluted? A.这个湖污染严重吗? B: Well, I wouldn't swim in it- but the water is much cleaner than it was a few years ago. B:哦,我没法在里面游泳,但是比前几年清洁多了。 A: A
turn on 打开,使某人产生兴趣,使兴奋 Do you want me to turn off the TV? 你想要我关电视吗? Turn off the lights before you come to bed. 在上床之前记得关灯。 You have to turn the gas valve off before going out. 你出门前