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1·When the temperature of the room reaches 20 degrees the convector heater cuts out.

当房间的温度达到20度时，加热器就自动关掉了。

2·The convector pits are covered with concrete grids that are prefabricatedbuilding pigsties.

供热器并被通常用在猪圈上的混凝土格栅覆盖。

3·A wind valve adjustment mode of convector radiator that is suited to individual metered heating system is put forward.

提出了一种适用于分户计量采暖系统的对流型散热器的风阀调节方式。