| 1. | The prime mover may be a gas reciprocating engine .
原动机可能是燃气往复式发动机。 |
| 2. | Almost all automobiles use the reciprocating engine .
几乎所有的机动车都使用往复式发动机。 |
| 3. | In contrast, the axial beam continues to build as it bounces back and forth across the active medium .
相反，轴向光束则随着往复穿过激活媒质而不断加强。 |
| 4. | Dynamic loading is produced by seismic forces, non-steady wind, blast, reciprocating machinery .
动荷载是由于地震力、不稳定的风、冲击波，往复式机器所产生。 |
| 5. | Study on cooling system of reciprocation compressors
往复式压缩机冷却系统的研究 |
| 6. | Safety technique requirements for reciprocating mower
往复式割草机.安全技术要求 |
| 7. | Reciprocating piston air compressors - basic parameters
往复活塞空气压缩机基本参数 |
| 8. | Hydraulic driving system of drilling reciprocating pump
钻井往复泵液压驱动系统 |
| 9. | Measurement of mechanical vibration for reciprocating pump
往复泵机械振动测试方法 |
| 10. | Reciprocating internal combustion engines . fire protection
往复式内燃机.防火 |
