Disassembly unit must have the qualification of the tower crane disassembly operations, but also in the qualification range in installation and disassembly.
塔机拆装必须要具有资质的拆装单位进行作业，而且要在资质范围内从事安装拆卸。
Place unit on a clean workbench, in a dust - free and moisture-free room. Handle all parts carefully, and protect them against corrosion and impact damage after disassembly.
在一个无尘、无水汽的房间内，将部件放置在工作台之上。当部件分解开以后，要小心拿取，以免因腐蚀或碰撞造成损伤。
Unit 1, engaged in the construction site crane assembly and disassembly operation must obtain professional contracting qualification.
施工现场从事塔吊拆装作业的单位必须取得专业承包资质。
Unit 1, engaged in the construction site crane assembly and disassembly operation must obtain professional contracting qualification.
施工现场从事塔吊拆装作业的单位必须取得专业承包资质。
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