We put forward several years ago a new system where the water injector was used to supply water and increase the pressure automatically in the hot water heating system.
在热水供暖系统中，采用水射器自动补水加压是笔者前几年提出的一种新型系统型式。
The hot water jet of model Glacier-2 is composed of driving, water-supplying, heating, high pressure boring and guiding systems.
冰川- 2型热水钻为组装式，有动力、供水、加热、高压钻进和导向系统。
The diagram of working principle of the hot water system based on heating pump and constant temperature and pressure is introduced.
给出了热泵式恒温恒压供热水系统的工作原理框图，对温度控制系统和压力测控系统设计作了详细叙述，并给出了设计原理框图。
Each hot water space heating boiler shall be equipped with a pressure relief valve set to relieve below the maximum boiler working pressure.
每个热水供暖锅炉都必须配置压力安全阀，其设置的泄压压力必须小于锅炉的最大工作压力。
A governing valve is the instrument for changing flow resistance and heat transfer flux of hot water, controlling pressure and temperature of heating system.
在热水供暖系统中，调节阀是改变热媒流动阻力、传热量变化及控制系统的调节装置。调节阀的选型、使用涉及多方面知识。
A governing valve is the instrument for changing flow resistance and heat transfer flux of hot water, controlling pressure and temperature of heating system.
在热水供暖系统中，调节阀是改变热媒流动阻力、传热量变化及控制系统的调节装置。调节阀的选型、使用涉及多方面知识。
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