pull-rod的用法和樣例：
例句
- The pull rod is screwed into the inside thread of the anchor head.
將拉杆旋入錨頭內的絲扣。 - Large span double box-beam rod structure is born out of BSS.
大跨度雙箱梁鋼棒拉杆組合鋼結構即脫胎於張弦梁結構。 - Experiment results show that removing the surface broken crystal layer of the cold drawn rod can prevent heat treatment induced cracks.
實驗結果表明，熱處理前去掉冷拉棒表面的碎晶層可以防止它在熱處理過程中產生裂紋。
