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管家咸了就出去溜一圈狗嘛 😃不啥就都有了😅😂
fan-fan
(狭路相逢)
1947年,他的稿子到了德国物理学家 Rudolf Hilsch手中, Hilsch 就开始认真地研究起来,并发了一篇超高引的文章,所以涡流管有时也被叫做 Hilsch 涡流管,没 Ranque 啥事儿…
Full Story:
https://m.sohu.com/a/442094875_472787/?pvid=000115_3w_a
(#15781319@0)
Last Updated: 2023-11-19
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向小嘴巴核实一下热泵问题,现在供暖启动的是热泵,屋里热风开始吹进来,到了外面一看空调风扇呼呼转动感觉是往外吹冷风,这个热泵供热应该是自成一体的,不需要gas hear的风扇,对不对?
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