elevator well
短语词组
- elevator bottom well 升降机井
- elevator well way 电梯井道
- elevator well hole 电梯井道
- Boiler elevator well 锅炉电梯井
- elevator well stell frame 电梯钢架
- elevator well frame 电梯井架
- Railing of boiler elevator well 栏杆的锅炉电梯和
- deep well elevator 深井吊梯 返回 elevator well