短语词组短语Chain biding sling 链条捆绑索具chain n sling 链式吊索double chain sling 双重链式索套;双吊货套链Link chain sling 链环钩参数尺寸Alloy steel chain sling 合金钢链式吊索Chain sling fittings 链条索具配件 返回 chain sling