結(jié)構(gòu)特點(diǎn)及用途：對(duì)夾電液動(dòng)單向密封刀閘閥有閥板的上下直線運(yùn)動(dòng)來(lái)開(kāi)啟和關(guān)閉管道，體積小結(jié)構(gòu)長(zhǎng)度短等優(yōu)點(diǎn)