见塔式起重机的图片。
操作可移动塔式起重机移动机器设备及材料的位置。
Operate mobile and tower cranes to lift, move, position or place equipment and materials.
操作可移动塔式起重机移动机器设备及材料的位置。
Operate mobile and tower cranes to lift, move, position or place equipment and.
塔式起重机的塔身【塔机片式标准节】是重要部件。
The tower body of the tower crane tower crane standard section [type] is an important part of.
操作移动及塔式起重机吊起，搬运，安置设备和材料。
Operate mobile and tower cranes to lift, move, position or place equipment and materials.
目的研究塔式起重机工程载荷状态，提供评估塔式起重机疲劳寿命的依据。
To evaluate the fatigue life of tower crane, research the load status of tower crane.
目的研究塔式起重机工程载荷状态，提供评估塔式起重机疲劳寿命的依据。
To evaluate the fatigue life of tower crane, research the load status of tower crane.
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