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| membrane sealed | |||
| membrane seal mechanical pump | |||
| 膜密封: 30 phrases in 11 subjects |
| Automobiles | 1 |
| Chemistry | 1 |
| Compressors | 1 |
| Drilling | 1 |
| Electric machinery | 2 |
| Electronics | 5 |
| Oil / petroleum | 2 |
| Plastics | 1 |
| Refrigeration | 2 |
| Space | 1 |
| Technology | 13 |
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