底阀

Traditional form:

底閥

Pinyin (reading):

dǐfá

Definitions:

• bottom valve
• foot valve

Characters:

• 底 - bottom, underside; below, underneath
• 阀 - clique, valve; a powerful and influential group

Traditional characters:

• 底 - bottom, underside; below, underneath
• 閥 - clique, valve; a powerful and influential group