| 1. | This is jet bit and that is a pdc bit
这是喷射式钻头，那是人造聚晶金钢石钻头。 |
| 2. | Design and application of steam spraying vacuum pump
蒸汽喷射式真空泵的设计与应用 |
| 3. | Recent development on the ejector refrigeration system
喷射式制冷系统研究最新进展 |
| 4. | Technical conditions of jet flotation cells for coal
煤用喷射式浮选机技术条件 |
| 5. | Alternating - current high - voltage fuses . expulsion fuse
交流高压熔断器喷射式熔断器 |
| 6. | Specification for design of jet mixer for petrochemical
石油化工喷射式混合器设计规范 |
| 7. | Beam type gas injection packing support plate
梁型气体喷射式填料支承板 |
| 8. | Investigation on refrigeration system combining with heat pipe and ejector
热管喷射式制冷的研究 |
| 9. | Specification for design of steam - jet vacuum pump for petrochemical
石油化工蒸汽喷射式抽空器设计规范 |
| 10. | 4545 flame spraying gas burner
4545火焰喷射式燃气烧嘴 |
