“真空”的英语可以翻译为：[物] vacuum，empty space，void，vacuo ...

“预真空”的英语可以翻译为：forevacuum ...

“预真空”的拼音为：yù zhēn kōng...

“真空管”的英语可以翻译为：vacuum tube，vacuum valve，valve，electron tube ...

“真空”的拼音为：zhēn kōng...

“非真空”的英语可以翻译为：antivacuum ...

在半导体收音机中晶体管代替了真空管.In semiconductor receivers transistors take the place of vacuum tubes.与老式真空管相比,晶体管具有许多优点.Transistors have many advantages over the old - fashioned vacuumtube valves.真空管或显影管都未破碎.No vacuum or picture tube...

“真空管”的拼音为：zhēn kōng guǎn...

三次预真空灭菌器是牙科诊所灭菌的主要设备.The triple plus vacuum sterilizer is the main sterilization equipment in dental clinic....

“非真空”的拼音为：fēi zhēn kōng...

元帅迈过真空吸尘器，脚步沉重地走出了房间。The Marshal stepped over the vacuum-cleaner and stumped out of the room.真空包装的火腿片应在食用前30分钟把包装除去。Vacuum-packed ham slices should be unwrapped 30 minutes before serving.即使平放，这个真空水杯也是滴水不漏。The flask is co...