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高溫高壓電站止(zhi)回閥旋啟(qi)式(shi)止(zhi)回閥分為(wei)單瓣式(shi)、雙瓣式(shi)和(he)多瓣式(shi)三種。蝶(die)式(shi)止(zhi)回閥為(wei)直通式(shi)、以上(shang)幾種止(zhi)回閥在連(lian)(lian)接(jie)形式(shi)上(shang)可分為(wei)螺紋(wen)連(lian)(lian)接(jie)、法蘭連(lian)(lian)接(jie)、焊接(jie)和(he)對夾式(shi)連(lian)(lian)接(jie)四種。
更新時間:2023-11-06型號: