短語詞組短語Stainless Steel Head Casing 不銹鋼套管頭steel pile casing 鋼護筒steel l casing 鐵殼cast steel spiral casing 鑄鋼蝸殼steel wall casing 鋼沉井shaft steel casing 鋼井壁steel -hard casing 鋼鐵般堅硬的外殼steel casing buried pipe 鋼套鋼直埋管道shaft t steel casing 鋼井壁 返回 steel casing