G80带轴承旋转安全钩规格型号重量（kg）拉力（kg）B.L(t)BCDLR8-SLN490-060.711.124.4832.535.011.5196164.58-SLN490-7/81.122.008.0036.042.013.02412048-SLN490-102.003.1512.642.050.015.5284240.5)