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| 球［心］阀 | |||
| 球心阀 | |||
| 球形阀; 球形旋塞; 方钻杆防溅阀 | |||
| 球阀 | |||
| 球旋塞 | |||
| 球状旋塞小型球阀 | |||
| 球形塞栓; 浮球旋塞; 浮球阀; 球形阀 (门) | |||
| |||
| 浮球阀; 浮球旋塞 | |||
| ball cock: 17 phrases in 6 subjects |
| Architecture | 1 |
| Plastics | 1 |
| Rail transport | 4 |
| Refrigeration | 4 |
| Solar power | 1 |
| Technology | 6 |
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