[fá]
[名]
(指在某方面有支配势力的人物或家族) established house or power group; a powerful person or family
warlord
军阀
financial magnate; plutocrat
财阀
power group among professors
学阀
powerful family
门阀
[机] (活门) valve
safety valve
安全阀
check valve
止回阀
rotary [rotating] valve
回转阀
poppet valve
提升阀