單項(xiàng)選擇題在長(zhǎng)線(xiàn)臺(tái)座成批鋼絲張拉工藝中,采用梳筋板鐓頭夾具時(shí),同一構(gòu)件中的鋼絲,其下料長(zhǎng)度的相對(duì)差值不應(yīng)大于()(L為鋼絲的下料長(zhǎng)度),且不大于5mm

A.L/1000
B.L/2000
C.L/5000
D.L/10000