elevator shaft

短语词组

短语

• elevator bottom shaft 电梯井
• elevator r shaft 升降机井
• elevator bottom shaft bush 升降机轴衬
• elevator r shaft gates 升降机井门
• elevator shaft gates 升降机井门
• blank elevator shaft 分级电梯井
• Boiler elevator shaft 锅炉电梯槽;锅炉电梯井
• main elevator shaft 提升机主轴
• Boiler steel elevator shaft 锅炉电梯井钢结构
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