短語詞組短語shaft -wall 井壁cylindrical shaft retaining wall 管柱擋墻shaft in wall 井筒內(nèi)壁shaft t wall 井壁砌壁vertical shaft inner wall construction 立井內(nèi)壁施工water infiltration of shaft -wall 井壁滲漏cylindrical shaft wall 井壁筒 返回 shaft wall