improved method for cooling down urea converter

the time of constant temperature is 9 h and time of cooling down is 3 h.

恒温时间为9h：降温时间为3h。

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it is good to hear it is cooling down a little and you feel better.

很高兴听到气温降下来了并且你感到好多了。

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numerical investigation on water cooling down process in large anechoic pressurized water tank

大型压力消声水罐降温过程的数值研究

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the study on deeply cooling down the boiler flue gas in power plant

电厂锅炉排烟深度冷却的研究

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test and research on fast air cooling down of 300 mw units

300MW汽轮机空气快冷试验研究

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utilizes the wet curtain to enhance the refrigeration efficiency of the air-cooling heat pump unit

运用湿帘提高风冷热泵机组的制冷效率初探

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lubricating oil and piston cooling oil pump

润滑油及活塞冷却油泵

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emergency troubleshooting of cooling circulation pump in atomic absorption spectrometer

原子吸收光谱仪冷却循环泵故障应急排除案例

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renovation of relay protection of stator cooling water pump motor

定子冷却水泵电动机保护改造

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optimization of cooling water pump in super-large thermal power units

超大型火力发电机组冷却水泵优化配置

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research and application of energy-saving through frequency conversion control in air-conditioning cooling water pump

空调冷却水泵变频节能控制研究与实现

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reliability of air cooling heat pump units running in winter

风冷热泵机组冬季运行的可靠性

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design optimization of hydraulic parameters of inlet water on large scale cooling water pump

大型循环水泵进水水力条件的优化设计

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start the cooling water pump or cooling valve to open.

启动冷却水泵或打开冷却水阀。

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research on the vibration characteristics of the cooling gear pump

冷却用齿轮泵的振动特性研究

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performance adjustment of cooling water pump of a central air conditioning system

集中空调系统冷却水泵性能调整一例

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performance calculation of cooling water pump for diesel engine application

柴油机冷却水泵性能计算

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cooling water pump is an important part of automobile engine.

冷却水泵是汽车发动机上的重要部件之一。

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in this paper, the test method for dynamic sealing of engine cooling pump series seals and the amount of leakage through tests are described. some principles for proper selection of seals are also presented.

本文介绍了内燃机冷却水泵系列水封的动态密封试验方法及泄漏量试验结果，给出了正确选用水封的原则。

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a testing apparatus for the cooling pump used in an automobile engine is introduced in this paper.

介绍了用于发动机冷却水泵的试验装置。

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