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Terms for subject Metallurgy containing 开 通 | all forms | in specified order only
ChineseEnglish
区间开通unblocking
四通开关four way cock
开口方形直通不翻转孔型系统open-square strand passes
开口方形直通孔型系统open square strand passes
开式通风系统open ventilation system
开通unjamming
连通开关coupling cock
通断开关on-and-off switch
通风开关draught switch