桅杆式起重机 [机] mast crane
- 重点介绍WD120型桅杆式起重机的技术性能参数、构造特点及采用的多项先进技术。
The technical performance parameters, design features and multiple advance techniques adopted in model WD120 derrick crane are presented. - 但是,目前桅杆式起重机吊装设计仍然普遍基于传统的力学模型采用手工计算,该模型缺乏安全性和可靠性,有待完善。
However, the hoisted design of mast-crane is generally taken by hand at present, and moreover, the reliability and security is lacked in the design bases on the old mechanics model.
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