... 汽封steam seal 汽封函盖steam sealing gland 汽封排汽冷凝器(涡轮船上的发念头)gland-exhauster condenser ...
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gland sealing steam control valve 汽封蒸汽调节阀
gland sealing steam 轴封蒸汽
gland sealing steam exhaust 汽封排汽 ; 汽封蒸汽排汽
gland sealing steam supply 汽封供汽
gland sealing steam collecting pipe 汽封蒸汽集汽管
gland sealing steam system 汽封系统
gland sealing steam supply system 汽封供汽系统
self-sealing steam gland 自密封汽封
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