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wing rail 【工業】翼軌。

wing screw

The model contains nose rail , wing rail , locking hooks and all relative components . the crossties are simplified as elastic foundations . thus , the model reveals the real working state of the locking hooks 論文中采用的計算模型包括心軌、翼軌、鎖閉鉤等幾乎所有的相關部件,沒有建模的枕木及地基也做了相應的簡化處理,并引入到了邊界條件中,比較真實地反映了鎖閉鉤的真實受力狀態。