radiant well 辐射排渗井
For example, the temperature indoors may be well over 70 degrees, but because this house has a concrete floor, that "thermal mass" absorbs radiant heat and makes it feel cooler.
例如，室内温度可超过70度，但因为这房子有一水泥地上，说：“热质”吸收辐射热，使之感到凉爽。
Not only new walls and new floors but a large radiant heating system was installed as well as new wiring, plumbing, drainage, insulation, and central air conditioning.
不仅是新的墙壁和安装新的地板，但一个大辐射采暖系统以及新的线路，管道，排水，保温，中央空调。
Can you see that you'll observe more meteors when the radiant point is well above the horizon?
你有没有发现当辐射点远高于地平线时你可以观察到更多的流星？
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