英德
有道
百度
谷歌
图片
维基
百科
桅杆起重机 [wéi gān qǐ zhòng jī]
derrick crane
mast crane
mast crane
- 对WQ-350型桅杆起重机进行了整体有限元分析。
A complete finite element analysis is conducted on model WQ-350 mast crane. - 高层施工时桅杆起重机必须不断地随建筑物逐渐增高而拆卸。
In high structures the derrick must be constantly dismantled and re erected to successively higher levels to raise the structure. - 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.
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