单词:valve seater
单词:valve seater 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.
A designer in Russia has created a vehicle that can travel on land, water, and even in the sky What is it? Well, it's a flying pod, and it goes by the name of Evolution. It certainly looks a lot different from the first automobiles, and like all goo
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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