基本解釋[經(jīng)濟(jì)學(xué)]鉛垂線(xiàn)校正英漢例句雙語(yǔ)例句The plumB line is always perpendicular to the horizontal plane.鉛垂線(xiàn)縂是垂直於水平麪的。plumb perpendicular更多例句專(zhuān)業(yè)釋義經(jīng)濟(jì)學(xué)鉛垂線(xiàn)校正