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plumb line
 plumb line
eng.geol. 铅直线
hydroel.st. 铅垂线
oil 垂线
railw. 铅锤线; 吊线坠
tech. 垂准线
textile 准绳
tools 铅垂线
| deflection
 deflection
archer. 挠曲

to phrases
plumb line ['plʌmlaɪn]
eng.geol. 铅直线
hydroel.st. 铅垂线
oil 垂线
railw. 铅锤线; 吊线坠
tech. 垂准线
textile 准绳
tools 测水深或垂直面用的铅垂线
wind. 垂直线
plumb line: 25 phrases in 3 subjects
Agriculture1
Space4
Technology20