maintenance crane 装配吊车
A larger harbor crane is often costly and maintenance charge is larger.
大型港口起重机往往价格昂贵，成本高且维护费用大。
SL Type Manual Single-girder Crane is a light-small kind, which is applicable to equipment installation, maintenance and work sites without power source.
SL手动单梁起重机属轻小机种，适用于工厂设备安装、维修以及无电源的作业场所。
Equipped with the separable standard devices, during the protection and maintenance, crane can be used with other spreaders together.
配备可分离标准上架，在维护和保养期间，起重机可配备其他吊具使用。
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