A reversible heat pump provides warm or cool air.
一个可逆热泵装置为室内提供了温暖或凉爽的空气。
The cool corridor on the north and the warm space on the south create a difference in atmospheric pressure which provides air circulation and insulates the space.
北侧凉爽的走廊和南侧温暖的空间创造出不同的气压，使之间的空气自然流通。
The invention provides creation of a ventilative and comfortable braided net mattress bed which is warm in winter and cool in summer and manufacturing technique thereof.
本发明为一种透气舒适冬暖夏凉的编织式网垫床的创意和制做技 术。
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