| 1. | Satety operation of natural circulating hot water boiler
自然循环热水锅炉循环水量与锅炉运行安全 |
| 2. | Effect of operating factors on natural circulation of boiler water
运行因素对锅炉自然循环的影响 |
| 3. | Natural circulation type cooling system
自然循环液冷却系统 |
| 4. | Human biological rhythms are related to the natural cycle of day and night
（人的生物节奏与昼夜的自然循环有关。 ） |
| 5. | Experimental research of the self - cleaning evaporators of natural circulation
自然循环自动清洗式高产高效节能蒸发器 |
| 6. | Natural circulation boiler
自然循环锅炉 |
| 7. | Design principle of the new self - cleaning evaporators with natural circulation
低速强化自然循环自动清洗式高效节能蒸发器 |
| 8. | Experimental research on the self - cleaning evaporators of natural circulation
不同压力下的自然循环自动清洗蒸发器技术实验 |
| 9. | Fuzzy mathematics analysis of onb for natural circulation subcooled boiling
模糊数学在自然循环欠热沸腾起始点研究中的应用 |
| 10. | Experimental research on self - cleaning evaporators of natural circulation
自动清洗自然循环式高效节能蒸发器的常压中试研究 |
