短語(yǔ)詞組短語(yǔ)shaft -wall 井壁cylindrical shaft retaining wall 琯柱擋牆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