释义 |
plumb-line 英p'lʌml'aɪn美p'lʌml'aɪn BNC¹⁴⁴⁶⁶⁴⁺³ 基本英英搭配记法例句例句 铅锤线,铅垂线
名词 plumb line: a cord from which a metal weight is suspended pointing directly to the earth's center of gravity; used to determine the vertical from a given pointplumb line铅垂线curvature of the plumb line垂线曲率plumb line deflection垂线偏差deflection of plumb line垂线偏差 plumbline-线⇒铅锤线;铅垂线The plumB line is always perpendicular to the horizontal plane.铅垂线总是垂直于水平面的。 PLUMB-LINE is an international purchaser from New Zealand, need to buy products of Chemical and Mineral, Building Materials, Ceramics, Hardware etc. categories. 该公司是一家国际采购商,来自新西兰,需要购买的产品类别包括:化工及矿产、建材、陶瓷、五金制品等。007eye |