发布时间:2025-01-19 21:02:38
不会。太阳能真空管是冻不坏的,因为真空管是一种高寒管,具有防冻的效用。真空管是太阳能热水器的核心,他的结构如同一个拉长的暖瓶胆,内外层之间为真空,没有热传导性能,所以太阳能真空管冬天不会冻坏。
打印机的打印喷头是采用的为溶剂墨水设计还是专为uv墨水设计的
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