短語(yǔ)詞組短語(yǔ)sealing water system 密封水系統(tǒng);水封系統(tǒng)sealing off system 封存躰系sealing oil system fault 密封油系統(tǒng)故障sealing oil system 密封油系統(tǒng);封油系統(tǒng)generator sealing oil system 發(fā)電機(jī)密封油系統(tǒng)bulk sealing off system 整躰封存躰系sealing oil system faults 密封油系統(tǒng)故障sealing steam system 封閉蒸汽系統(tǒng)hydrogen sealing oil system 氫封油系統(tǒng) 返回 sealing system