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| differential piston | |||
| differential piston (用于膏体推进剂火箭发动机) | |||
| 差动 活 塞: 9 phrases in 4 subjects |
| Automobiles | 1 |
| Oil / petroleum | 1 |
| Refrigeration | 2 |
| Technology | 5 |
|
| |||
| differential piston | |||
| differential piston (用于膏体推进剂火箭发动机) | |||
| 差动 活 塞: 9 phrases in 4 subjects |
| Automobiles | 1 |
| Oil / petroleum | 1 |
| Refrigeration | 2 |
| Technology | 5 |