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jum1982
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樓主  發(fā)表于: 2020-04-13 16:14

dxy12345678
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1樓  發(fā)表于: 2021-10-08 09:47
使用過(guò)幾次，誤差大約10%以?xún)?/div>
〇·微塵ベ
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2樓  發(fā)表于: 2021-10-08 16:36
目前只知道他們家有
往事如風(fēng)
科技改變制造
級別: 網(wǎng)絡(luò )英雄

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3樓  發(fā)表于: 2021-10-08 19:22
原理就是超聲波流量計吧
三人行者必有我師 ，擇其善者而從之

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