「整頓」的正确读音是？（） ["せいとん","せいどん","せいと","せいど"]
The energy for pushing this piston up can be supplied from （）, so that the piston can keep moving up and down. ["the same piston","the piston nearby","the other pistons","the generators on board"]
焦炉集气管压力的控制原则是（） ["正对吸气管的炭化室底部在结焦末期时的压力大于1.0毫米水柱","焦炉所有炭化室底部在结焦末期时的压力大于0.5毫米水柱","焦炉两个边炭化室底部在结焦末期时的压力大于0.5毫米水柱","正对吸气管的炭化室底部在结焦末期时的压力大于0.5毫米水柱"]
下列哪一项，是处置含有机密信息的磁性存储介质的最佳方法？（） ["消磁","磁盘碎片整理","删除","销毁"]
The distance between the surface of the water and the tidal datum is the （）. ["range of tide","height of tide","charted depth","actual water depth"]
如何预防和处理体育锻炼中出现的肌肉痉挛？
