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樓主  發(fā)表于: 2020-09-30 14:58
老鐵有沒(méi)有便宜點(diǎn)的，可以測量真空度幾十帕的壓力表，最好幾百塊以?xún)�，等離子清洗機用的
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1樓  發(fā)表于: 2021-11-18 11:43
用485通訊讀會(huì )不會(huì )好點(diǎn)

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