膜式泵mó shì bèng
membrane pump; film pump; diaphragm pump
原声例句
世界奇趣图谱
This would in theory power the cooling pumps for that minute.
理论上, 这将为冷却泵提供那一分钟的动力。
航海英语听力
25.while vessel is port in port cooling sea water is supplied by port service cooling sea water pump , marine growth preventing system is very difficult to use and not safety for operation , to be solved.