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某节流装置在设计时,介质的密度为520kg/m3,而在实际使用时,介质的密度为480kg/m3。_其他_设计456问答
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某节流装置在设计时,介质的密度为520kg/m3,而在实际使用时,介质的密度为480kg/m3。

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某节流装置在设计时,介质的密度为520kg/m3,而在实际使用时,介质的密度为480kg/m3。

浏览:29次 | 提问时间: 08-06 08:55
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3个答案
你以为只是你以为 08-06 08:56

高泰   电热水壶   不锈钢   名牌温控器   自动断电防干烧   还是出口到国外的品牌,在国内的销量也十分的好,而且这个牌子的水壶在烧水的时候比其他品牌的水壶噪音都要小

貌似媳妇比老婆好听 08-06 09:04

高泰电热水壶的质量还是很不错的,高泰电热水壶使用PTC加热元件代替发热管,可以有效防止因为干烧而出现的着火危险。PTC加热元件的干烧温度可以设定在150℃~250℃之间的任何温度,当温度到达设定的温度后,PTC元件的电阻迅速增加,加热功率急剧下降,使其温度保持在设定温度而不会继续上升。我家用的就是高泰的,很不错的。

亡心人 08-06 09:13

你好,这个品牌在国内销量十分的好,质量好而且煲水的时候声音比其他牌子的都要静没那么吵,质量很好,希望我的回答能对你有帮助      谢谢。

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