墙体施工采用小型起重设备吊装预制拼装墙板，施工快捷简便，同时还具有环保，经济的优点。
The prefabricated built-up wallboard is lifted through a small lifter in the wall construction, and the construction is fast, simple, environment-friendly and economic.
“关键吊装”可以定义为那些超常规的、可能接近起重设备上限或操作员能力水平的吊装。
"Critical lifts" can be defined as those lifts that are out of the ordinary or may approach the limitations of the lifting equipment or skill level of the operator.
液压提升装置是一种新颖、特殊的起重设备，适合于建筑工程中特大笨重件的吊装。
The hydraulic lifting device presented in this article is a new and special hoist, suitable for the lifting of very heavy and bulky loads in construction site.
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