求翻译：四、 顶端水平片为不对称框架，需使用四根吊带水平吊装，为防止工人在安装过程中因水平片的颤动而出现意外，要求吊装前安装临时支撑用以固定水平片是什么意思？

The top level piece for the asymmetric framework, use the lifting sling level of four, to prevent unexpected fibrillation due to the level of film workers during the installation process, before the installation requirements of lifting the temporary support for a fixed level of piece

Top level 4, * for asymmetric Framework, you need to use level 4 root lifting straps to prevent workers during the install process for levels of vibration and an unexpected request before lifting, and installation of temporary support for fixed levels,

Fourth, The peak horizontal piece for not the assymetrical frame, must use four suspenders horizontal hoisting, for prevented the worker in the installation process to appear the accident because of the horizontal piece tremor, in front of the request hoisting installs the temporary support to use b

Four, the top level of asymmetric frame, you need a four harness horizontal lifting, installed to prevent workers in accident due to horizontal slice of fibrillation in the process, requiring lifting front install temporary supports for level

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