短語(yǔ)詞組短語(yǔ)cabling pay -off 成纜放裝置pay -off spool 放線盤(pán)rotating pay -off 旋轉(zhuǎn)放線裝置stationary pay -off 固定放線裝置mobile pay -off 移動(dòng)式放線裝置drumpack pay -off 筒式放線裝置stempack pay -off 圈式放線裝置;捆式放線裝置payoff function 支付函數(shù) 返回 pay off