真空冷阱 真空凝气瓣 真空阱

vacuumtrap  detail>>

真空凝气瓣

vacuum trap  detail>>

真空冷阱

vacuum cold trap  detail>>

前级真空冷阱

forevacuum trap  detail>>

真空阱

vacuum trap  detail>>

真空凝结点

vacuum condensing point  detail>>

真空冷动机

vacuum erfrigeration machine  detail>>

真空冷冻

vacuum freezing  detail>>

真空冷冻机

vacuum refrigerating machine  detail>>

真空冷焊

vacuum cold welding  detail>>

真空冷凝

vacuum condensation vacuum condensing point  detail>>

真空冷凝点

vacuum condensing point  detail>>

真空冷凝器

vacuum condenser  detail>>

真空冷却

vacuum cooling vacuum-cooling  detail>>

真空冷却器

flash cooler vacuum cooler vacuum refrigerating machine  detail>>

真空冷陷

vacuum cold trap  detail>>

真空冷卸

vacuum-cooling  detail>>

真空

[物理学] vacuum; empty space; vacuo  短语和例子   高真空 fine [high; perfect] vacuum; 极高真空 ...  detail>>