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