单词:boiler feed check valve
单词:boiler feed check valve 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.
Part One 你听不懂的 As clean as a whistle 非常洁净,清白,空的,灵敏的 The police tried to find evidence related to his criminal behaviour but he was as clean as a whistle. Mary rides on the horse and jumps over the barrier as clean as a whistle. Th
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Mr. White had a bad habit. He was a chain smoker. Mr. White knew his addiction was unhealthy. He couldn't even take walks anymore. He spent all day coughing. Mr. White spent one year trying to quit smoking. He would always buy a pack and promise hims
There would soon be an explosion; the kettle would be burst open. It is in this way that boiler explosions are often caused. When there is too much steam in a boiler, and it cannot get out, it presses against the sides of the boiler, until at last th
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