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铅垂线 qiānchuíxiàn
gen. normal; plumbline
eng.geol. plummet
geophys. vertical line
hydroel.st. plumb line; lead line
oil pedal line
space plumb bob line; plumb-bob vertical
tech. frontal-profile line; geographic vertical; geographical vertical; lead plumb; plumb; plumb bob
铅垂垂直线
archit. vertical line
测水深或垂直面用的铅垂线 qiānchuíxiàn
tools plumb line
铅 垂线: 19 phrases in 6 subjects
Aviation1
Earth sciences1
General2
Hydroelectric power stations4
Hydrology1
Technology10