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 hotwaterheating 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。
2
The hotwater 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。
3
The diagram of working principle of the hotwater system based on heating pump and constant temperature and pressure is introduced.