Secondly, in the prefabricated system, through the addition of raw materials with lower heat conduction coefficient, raising warming performance of lining material.
其次，在该预制件体系中通过添加导热系数较低的原料，提高内衬材料的保温性能。
In addition, indoor air system, heat recovery systems, central vacuum system, fire doors Solenoid Valve Control system and indoor fire hose system configurations are rare in China.
此外，室内空气系统，热回收系统，中央真空系统，防火门电磁阀控制系统和室内消防水带的系统配置在中国是罕见的。
A multivariable control system has been developed which manipulates heat addition and inflow so as to control digestion temperature and effluent substrate concentration.
多变量控制系统的操作变量为供热量和进水量，被控变量为消化温度和消化污泥排出浓度。
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