短语词组短語built pile process 成樁工藝built -in mini steel pipe pile 微型嵌巖鋼琯灌注樁quality of built -up pile 成樁質量Built -up Steel Pile [建]裝配式型鋼樁built in steel pipe pile 嵌巖鋼琯灌注樁pile built in place 就地灌注椿 返回 built pile