The hot water supply failed last night.

昨晚，热水供应中断。

The bathrooms and toilets are all public and have no hot water supply.

浴室和厕所都是公用的，而且没有热水供应。

The solar energy heat pump had the function of immediate hot water supply.

太阳能热泵具有即时供热水功能。

Start up - Open cold water supply then hot water supply. Inspect for leaks.

启动-开启冷水供应系统，然后再开启热水供应系统。检查是否泄漏。

Phase change heat pump water heater is a new style equipment for hot water supply.

相变式储能热泵热水器是一种新型节能热水供应设备。