heating circulation pump 采暖循环水泵
circulation heating 循环供热
cold-heating circulation fatigue property 冷热循环疲劳特性
forced circulation heating 强制循环取暖
natural-circulation heating 自然循环供暖
Oil circulation heating system 热油循环系统
union circulation heating system 联合循环系统
nature circulation heating system 自然循环供暖系统
mechanism circulation heating system 机械循环供暖系统
The analysis on the ways of the conditioning of heating circulation pump is given.
分析了采暖循环水泵的几种运行调节方式。
An integratedelectric heating system, air controller, temperature-monitoring alarms, and an air circulation device also put the students' project on parwith other transport systems.
背包中有集成电加热系统、空气调节器、温度监测报警器和空气循环设备，这也使它毫不逊色于其它转运方法。
SBR latex for paving with solid content 45% was prepared by the vacuum con centration process with viscosity depressant and outside circulation heating.
用减粘剂法釜式（卧式蒸发器）外循环加热真空浓缩工艺生产了固体物质量分数为45 %的道路胶乳。
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