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clack [klæk] n
gen. 瓣状活门; 止回阀; 发岀噼啪啪嗒,咔啦,咯咯的东西; 唠叨; 喋喋不休地讲
auto. 噼啪声; 咯咯声; 发出噼啪声
eng.geol. 单向阀
hydroel.st. ; 瓣阀
met. 活门
clack: 51 phrases in 12 subjects
Automobiles3
Business1
Compressors1
Drilling2
Electronics3
General5
Hydroelectric power stations2
Mechanic engineering2
Metallurgy4
Oil / petroleum1
Space1
Technology26