pile casing

• 护筒

pile casing的用法和样例：

例句

1. Prefabrication of permanent reinforced concrete casing as the formwork is one of optimal alternatives for expediting the progress of the construction of mass concrete at sea.
   预制永久性钢筋混凝土护筒模板的施工方案是加快海上大体积混凝土施工速度的优选方案之一。