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ball valve
archit. 球阀
chem.
ecol. 球式单向阀
hydroel.st. 球阀; 球阀; 球形阀; 浮球阀
mech.eng. 球闸门
met. 球心阀
plast.
refrig. 漂子门
space 球形阀门
surg. 球瓣
tech. 弹子阀; 球形止逆阀; 球形阀 (门); 球形单向阀
ball valve
: 144 phrases in 22 subjects
Architecture2
Automobiles8
Aviation4
Chemistry9
Compressors1
Drilling6
Ecology1
Electric machinery1
Engineering geology2
Hydroelectric power stations6
Mechanics3
Metallurgy3
Mining1
Oil / petroleum20
Oil processing plants2
Plastics5
Refrigeration3
Shipbuilding6
Solar power1
Space3
Surgery2
Technology55