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。
Combined with our Vacuum Chambers and Central Filter Units we can create the perfect system for you.
真空室和中央过滤装置结合，可以为您创建完美的系统。
Tube Web obstruction property of Roots central vacuum cleaning system is analyzed with fluid mechanics and industry ventilate principle.
应用流体力学和工业通风原理，分析了罗茨中央真空吸尘系统的管网阻力特性；
Double loop high speed vacuum suction system, spread to the surrounding air by the central.
双回路高速真空吸气系统，由中央向四周扩散吸气。
Based on the relative standard and a concrete project, gives an introduction for the use, design, and operation of a central vacuum cleaning system.
结合工程实例及其相关标准，介绍和分析中央真空清洁系统的用途、设计及使用。
Outfitting the apartment building with a solar thermal system of ten vacuum-tube collectors for the central domestic water supply is an additional energy efficiency measure.
舾装公寓大楼和一个太阳能热系统的真空管集热器十中央家庭供水是一个额外的能量效率的措施。
Outfitting the apartment building with a solar thermal system of ten vacuum-tube collectors for the central domestic water supply is an additional energy efficiency measure.
舾装公寓大楼和一个太阳能热系统的真空管集热器十中央家庭供水是一个额外的能量效率的措施。
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