1976――1983年期间曹德旺在高山玻璃厂担任什么职位()。 办公司主任。 厂长。 采购员。 运输员。
The lengthening of a crack formed in the shell plating of a ship may be prevented by (). welding brackets across both ends of the crack。 chipping out and slot welding the entire crack。 drilling a hole at each end of the crack。 cutting a square notch at each end of the crack。
使用热继电器时,在接线方面的要求是()。 将器件的电阻丝(即热元件)串联在主电路,将常闭触头串联在控制电路。 将器件的电阻丝(即热元件)串联在控制电路,将常闭触头串联在主电路。 只要将电路连接上,在接线上没有具体的要求。 接线没有要求。
If you have a liquefied flammable gas barge in tow,which is NOT required of you with respect to the barge and its cargo? () Make periodic inspections of bilges。 Keep the barge under constant surveillance。 Have a properly certificated tankerman or at least one licensed officer on board the towing vessel。 Verify ullage reading。
The fire extinguishing action of CO2 comes mostly from (). breaking the fire chemical chain reaction。 smothering。 cooling。 isolating the heat from the fuel。
曹德旺所认为的三德不包括以下哪一项()。