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- An air-enthalpy test box and an heat pump performance test system were used to evaluate the heat transfer performance of a R410A fin-and-tube evaporator under frosting condition. 摘要在焓差实验装置和热泵性能测试系统中，对一台R410A空气源热泵的翅片管式蒸发器在结霜工况下的换热特性进行了试验研究。
- Second,it is influenced by the frost condition; 二是结霜工况对传热系数的影响 ;
- Improvement of Finned Tube Evaporator Under Frosting Condition 结霜工况下翅片变片距管蒸发器的改进
- Discusses the methods of improving the performance of air-cooled heat pump chiller under frosting conditions by making better the desing of evaporator of heat pump, enhancing the function of defrosting and improving the technique of defrosting control. 从改进风冷热泵冷热水机组风侧换热器设计、提高机组的除霜性能以及改进除霜控制等方面讨论了提高风冷热泵冷热水机组在结霜工况下工作性能的途径。
- A sauce, frosting, or garnish for food. 浇头食物上面的调料，奶油或装饰物
- Frost has killed several of our young plants. 寒霜冻死了我们的几株幼苗。
- Do exercise every day and you'll be back in condition. 每天锻炼锻炼，你很快会恢复健康的。
- Young plants are often killed by frost. 植物的幼苗常因严寒而冻死。
- He insists the condition to use the best material. 他坚持以使用最好的材料为条件。
- The windscreen was covered with frost. 挡风玻璃上结了霜。
- You must on no condition tell him what happened. 你决不能把发生的事情告诉他。
- In this area black frost usually comes first in early December. 这个地区通常在12月初开始出现严霜。
- The patient's condition worsened during the night. 病人的情况在夜间恶化了。
- Frost caused the split in the rock. 霜冻使岩石裂了一条缝。
- The patient was in a pitiful condition. 那个病人处于一种非常可怜的状况。
- The frost killed the young tomato plants. 寒霜冻死了番茄幼苗。
- The market offer optimum condition for sale. 市场为销售提供了最佳条件。
- There's a touch of frost in the air. 空气中略有寒意。
- After the heavy frost the road was a sheet of ice. 浓霜过後，路面结了一层冰。
- The frost made the leaves curl (up). 叶子受霜冻而卷了起来。
