pole mast
短语词组
- double pole mast 双杆轻便井架;双腿架;双杆桅
- pole -type mast 杆式井架
- single pole mast 单杆架
- pole derrick derrick mast 起重扒杆
- gin pole mast 桅杆
- shore mast pole 岸上信号旗杆
- High mast pole 高杆灯
- Diameter of the mast pole 抱杆尺寸
- lighting mast lighting pole 路灯柱 返回 pole mast