该值包含起重钩、吊具、载荷的数值。
And here's the new and improved crucible with lifting hook in action.和这里的行动与解除挂钩新的和改进的熔炉。
Pay attention to the speed and the position of the lifting jib and the lifting hook so as to avoid accidents.操作时,吊臂下严禁站人。应注意吊臂和吊钩的速度和位置,避免发生事故。