BWSC中線型對(duì)夾信號(hào)蝶閥產(chǎn)品簡(jiǎn)介：一、產(chǎn)品概述BWSC中線型對(duì)夾信號(hào)蝶閥是引進(jìn)技術(shù)而自行開(kāi)發(fā)的中線型蝶閥，它具有結(jié)構(gòu)簡(jiǎn)單，密封可靠，開(kāi)啟輕便、壽命長(zhǎng)、維護(hù)方便等優(yōu)點(diǎn)