短語詞組短語open -well stair 露明梯井樓梯open caisson well construction 沉井施工open stern well 尾部敞開井Open stas well asards 關(guān)閉法式open stair well 露明樓井long open hole well 長裸眼井open a well 打井open hole well 裸眼井open hole well test 裸眼測試 返回 open well