Its heat-absorbing tubes, meanwhile, are coated steel, rather than the power plants' high-efficiency glass vacuum tubes.
它的吸热管,同时,正在涂层钢板,而不是电厂的高效率玻璃真空管。
3
This article introduces tow options leads to soil heat-absorbing, exothermic imbalance and solves the thermal imbalance of that the ground-source heat pump.