航海航天英语词汇大全第799页 ... derricktest吊杆试验 derricktype吊杆式 derrickwagoncrane车座人字起重机 ...
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可以选择吊环式,挂钩式,吊杆式安装方式。
常规出厂配置为吊杆式安装,如需其它安装方式,订货时请注明。
Conventional factory configuration for the boom type installation, if you need other installation methods, please specify when ordering.
吊杆式拱架作为一种新型拱式支承结构在陜西省石头河东干渠汤峪渡槽(桥渡结合工程)设计中首创应用。
As a brand new supporting structure, the steeve - arch was firstly used in the design of tangyu aqueduct (also used as a bridge) lies on the eastern main ditch of shitou river, shaanxi province.
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