吊杆架可绕自身轴线回转，手摇起重机绳筒上缠绕的钢丝绳通过吊杆架带动吊具。
The suspension can turn winding it's axle line, the wire rope winding on the rope roller drive the suspension tools by the suspension shaft.
本发明公开了一种钢吊箱与钢护筒之间的连接锚固装置。
The invention discloses a connecting anchoring device between steel suspension box and steel protecting tube.
此工程会使用吊船设备从顶端向下更换各层公共污水渠筒喉码。
This project will be the use of gondola equipment from top to down for replacement of brackets of common sewage pipe.
此工程会使用吊船设备从顶端向下更换各层公共污水渠筒喉码。
This project will be the use of gondola equipment from top to down for replacement of brackets of common sewage pipe.
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