In the Leng Gan machine, evaporator refrigerant supply and its regulation is realized through the throttlemechanism.
在冷干机中,蒸发器制冷剂的供给及其调节者是通过节流机构来实现的。
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In order to save costs and avoid using two thermal expansion valves, the paper proposed a new throttlemechanism used for the heat pump and realizes the best match of the cooling and heating.