| 1. | Compressor may be reciprocating positive displacement or centrifugal .
压缩机可以是活塞式、螺杆式或离心式。 |
| 2. | Rotary positive displacement pumps - technical requirements
回转容积泵.技术要求 |
| 3. | Rotary positive displacement pumps . technical requirements
旋转变容泵.技术要求 |
| 4. | Specification for rotary positive displacement fuel pumps
旋转式正排量燃料泵规范 |
| 5. | Rotary positive displacement pumps - technical requirements
回转容积泵技术要求 |
| 6. | Positive displacement refrigerant compressor condensing units
容积式制冷压缩冷凝机组 |
| 7. | Verification regulation of liquid positive displacement flow meter
液体容积式流量计检定规程 |
| 8. | Rotary positive displacement pumps - performance tests for acceptance
回转容积泵.验收性能试验 |
| 9. | General technical specifications for positive displacement flowmeter
容积式流量计.通用技术条件 |
| 10. | Positive displacement refrigerant compressors and compressor units
容积式制冷压缩机和压缩机装置 |
