‘“倒链”又名“手拉葫芦”，手拉葫芦是一种使用简易、携带方便的手动起重工具。运用了轮轴的原理从而起到了省力的作用。适用于工厂、矿山、建筑工地、码头、船泊、仓库等安装作业，对于露天及无电作业更有其重要之功用。
这个倒链（油压千斤顶、螺旋千斤顶）的起重能力为 5 吨。
The lifting capacity of this chain hoist (hydraulic jack, screw jack) is 5 tons.
争论的焦点无疑是：转载一个标题和引言并对整个新闻倒链的行算不算非法挪用。
The debate, of course, is whether copying a headline and a lead paragraph, and linking back to the source of the story in its entirety, is even misappropriation at all.
变压器在移动过程中确保设备和人身安全。变压器运至安装位置后采用门型架、倒链就位。
Make sure the equipment safety and human safety during the move of transformer. The transformer is fixed with door fixture and chain block after being transported to installation position.
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