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有效水头
agric. active head
bridg.constr. effective water head
el.mach. gross available head
eng.geol. available hydraulic head
hydroel.st. effective head; acting head; net head
tech. available head; useful head; virtual head
有效〔作用〕水头
construct. acting head
有效 水头
: 16 phrases in 6 subjects
Bridge construction2
Drilling1
Electric machinery1
Electronics1
Engineering geology1
Technology10