A.冷拉應(yīng)力和冷拉率 B.冷強(qiáng)效應(yīng)和冷拉率 C.冷拉率和冷拉力 D.冷強(qiáng)效應(yīng)和冷拉應(yīng)力
A.斜吊法B.直吊法C.旋轉(zhuǎn)法D.滑行法
A.154.4Kg B.155.3Kg C.195Kg D.152.4Kg