| 1. | Study on suitability of lubricants and alternative refrigerants
准球形葡萄预冷时间的研究 |
| 2. | Discussion of precooling operation of propylene jar at low temperature
对低温丙烯贮罐预冷操作的探讨 |
| 3. | Preliminary study on air - forced precooling of eggplant , tomato and sweet pepper
青椒差压预冷方法的研究 |
| 4. | Experimental study on vacuum pre - cooling for chinese cabbages ' weight loss
结球白菜干耗的真空预冷实验研究 |
| 5. | Experimental study on pressure pre - cooling and cold storing of green asparagus
绿芦笋压差预冷和冷藏试验研究 |
| 6. | The current method for precooling is " draining cooling "
目前，我国在氢氧发动机上一直采用排放预冷的方式。 |
| 7. | Study on optimization matching of catcher and vacuum pump in vacuum cooling
真空预冷中捕水器与真空泵的优化匹配研究 |
| 8. | Study and realization on precooling unit added to truck - mounted air separation plant
车载制氧机加装预冷装置的研究与实现 |
| 9. | Application and design of forced - air precooling equipment and techology for fruits and vegetables
果蔬差压预冷设备及预冷技术研究 |
| 10. | Study on boiling heat transfer enhancement of forced liquid nitrogen flow in lunate narrow channel
低温液体火箭发动机循环预冷模拟试验 |
