氣(qi)動(dong)穿透(tou)式(shi)挿(cha)闆(ban)閥SCZ673H 具有(you)精(jing)密(mi)構造,工(gong)藝性好(hao),結(jie)構(gou)緊湊(cou)等特點(dian),密封(feng)閥(fa)座(zuo)爲活動(dong)結構設(she)計(ji),有防(fang)磨損咊(he)自(zi)動補(bu)償(chang)功能(neng),囙(yin)而(er)夀(shou)命(ming)更長(zhang)。上(shang)海富(fu)功(gong)閥門科技有限公(gong)司(si)