multilevel hoisting installation [机] 多水平提升设备
hoisting installation methods 吊装方法
hoisting installation of boilers 锅炉吊装
Layered integral hoisting installation 分层整体吊装安装
hoisting safety installation 提升安全装置
In order to ensure the installation precision of steel structure, the overall transformation of the truss is calculated and monitored during the hoisting.
为了保证钢结构安装精度，在吊装过程中，对桁架的整体变形进行了计算和监测。
Operate hoisting and lifting devices such as cranes, jacks and tractors to position machinery and parts during the installation, set-up and repair of machinery.
在安装，设置及维修机器过程中，操作起重设备，如起重机，千斤顶和拖拉机来放置机械或部件。
The structure of fan is compact, installation is convenient, but direct with wind canister connection, can hoisting.
风机的构架拮据，装置便捷，可直接与风筒连接，能够吊装。
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