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直動(dòng)式二位三通電磁閥的進(jìn)出口可以反著用嗎? |
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點(diǎn)評(píng)
密封的問(wèn)題,是講結(jié)構(gòu)上有這種風(fēng)險(xiǎn),會(huì)脫落,松造成不可靠,
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