在开箱·搬运·安装时，请使用吊滑轮，起重机，叉式升运机等辅助设备。

When opening, carrying or installing it, please use block and tackle, chain block, fork lift truck or other assistant devices.

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这些小孩子设计了一个滑轮，可以将东西吊进他们树上的房子。

The children contrived a pulley to lift things into their tree house.

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铜绿山矿某三铰拱屋架单轨吊梁结构体系，因技术改造增加设备简体重量，随意用滑轮组起吊检修，导致拱架上弦全截面贯通式开裂的结构事故。

Then the structural accident of total section drive-through type crack is caused in arch frame top chord, which is induced by hoisting and detection using pulley arbitrarily.

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