短語詞組短語incremental launching construction method 頂推施工segmental launching method 分段曳進(jìn)法successively incremeantal launching method 連續(xù)頂推launching with hauling method 拖拉安裝incrementing launching method 頂推法ejection -launching method 彈射發(fā)射ball launching method 滾球下水法incremental launching method construction 頂推法施工incremental launching method erection 頂推法架橋 返回 launching method