direct heating 直接加热 ; 直接供热 ; [建] 直接供暖
direct heating furnace 直接加热炉
direct heating surface 直接供暖面 ; 直接受热面
cocoon drying by direct heating 加热式茧干燥
Direct heating equipment 直接加热设备
direct heating system 直接加热系统
direct heating dryer 直接加热干燥器
direct heating type cathode 直热式阴极
evaporator with direct heating 直接加热型蒸发器
The main roller is of direct-heating mode, which makes the effective heating area exceed 75% and increases the energy utilization.
直热式主辊筒，有效加热面积超过了75%，提高了能源的利用率。
Direct heating, indirect cooling.
直接加热，间接冷却。
Direct burning of Natural gas in heating boilers is being discussed.
对供热锅炉直接燃烧天然气的情况进行了讨论。
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