Even though the control device of the heating system works well, insufficient water flow rates can degrade control performance and thermal comfort.
即使供热系统的控制装置运行良好，水的流速不足也能够降低控制性能和热舒适性。
Heating, ventilation and air Conditioning in buildings represent a substantial energy demands and insufficient ventilation may result in poor indoor air quality and health problems.
加热、通风和空气在建筑物中意味着持续的能源需求，并且通风不足导致是内空气质量不好和健康受损。
Causes include heating too quickly in the feed zone, melting too slowly in the transition zone, insufficient mixing, and excessive heat loss in the adapters or die.
其原因包括在喂料区加热时间太短和在过渡区熔融太慢、混合不良、在机筒和口模中存在过多的热量损失。
Shortly after heating began, it was clear that the rate of heating was insufficient.
不久后暖气开始，很明显的速度加热是不够的。
The gas engine-driven heat pump (GEHP) is a high performance and environment-friendly equipment that can provide heating and cooling, but at present the study on the GEHP is insufficient in China.
燃气机热泵是一种高效节能、经济环保的新型供热空调装置，国内对该装置的研究正处于起步阶段。
The gas engine driven heat pump (GEHP) is a high performance and environment-friendly equipment that can provide heating or cooling, but at present the study on the GEHP is insufficient in China.
燃气机热泵是一种高效节能、经济环保的新型供热空调装置，国内对该装置的研究刚刚起步。
The gas engine driven heat pump (GEHP) is a high performance and environment-friendly equipment that can provide heating or cooling, but at present the study on the GEHP is insufficient in China.
燃气机热泵是一种高效节能、经济环保的新型供热空调装置，国内对该装置的研究刚刚起步。
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