| 英文名称 | 中文名称 | CAS |
|---|---|---|
| Roots - water ring vacuum unit | 罗茨-水环真空机组 | |
| Water ring vacuum pump | 水环真空泵 | |
| Roots vacuum pump | 罗茨式真空泵 | |
| Vacuum pump compressor | 真空泵压缩机 | |
| Vacuum pump performance curve | 真空泵性能曲线 | |
| Water ring pump | 水环泵 | |
| Water ring vacuum pump performance curve | 水环真空泵性能曲线 | |
| Water ring vacuum pump | 水环式真空泵 |
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