direct heating system 直接加热系统
geothermal direct heating system 地热直接供热系统
direct air heating system 直接空气供热系统
direct steam heating system 直接蒸气加热系统
The non-oxidizing zone is consisted of entry sealed room, waste gas preheating zone, direct heating zone, and furnace nozzle and flue gas exhausting system.
无氧化段由入口密封室，废气预热区，直接加热区，炉喉，废气排放系统组成。
All the instruments used in the process are protected by a portfolio of 30 patents and incorporate a direct heating system that USES a plastic to rapidly heat and cool the samples.
试验过程中所使用设备得到了30项专利的保护，并整合了使用塑料进行快速加热与冷却样品的直接加热系统。
Owing to the complexity of the structure and the system of the new direct air-cooled heating units, a new question is arised about how to heating economically under operating condition.
新型直冷供热机组由于结构和系统的复杂性，其如何在供热工况下经济运行成为新的课题。
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