電動(dòng)真空蝶閥GID特點(diǎn)：

閥門(mén)能承受正壓力；閥桿上下不竄動(dòng)；

電動(dòng)真空蝶閥GID外形連接尺寸：

電動(dòng)真空蝶閥GID標(biāo)準(zhǔn)：

GB607

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