軟硬密封浮動(dòng)球閥 Q341F/H
設(shè)計(jì)制造按GB/T12237結(jié)構(gòu)長(zhǎng)度按BG/T12221連接法蘭按JB/T9113.1~9113.4
軟硬密封浮動(dòng)球閥 Q341F/H
設(shè)計(jì)制造按GB/T12237結(jié)構(gòu)長(zhǎng)度按BG/T12221連接法蘭按JB/T9113.1~9113.4
 設(shè)備先進(jìn)公司生產(chǎn)設(shè)備先進(jìn)
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