backpressure operation 中文意思是什麼

backpressure operation 解釋
背壓操作
  • backpressure : 頂板壓力
  • operation : n 1 動作,行動,活動;業務,工作;作用。2 效果,效力;有效范圍,有效期間。4 【數學】運算;【醫學...
  1. Pigging in pipe before inspection, pipe pigging under low throughput intermittent operation ; get rid of congealable oil, wax precipitation and incrustation in pipe to reduce backpressure and friction, and lower temperature

    管線內檢測前清管、低輸量間歇運行輸油管線清管;清除管線內部的凝油、結蠟、結垢,達到減小輸油回壓、減小磨阻、降低輸油溫度的目的。
  2. Torsion spring checks shall have reversible elastomer discs and in operation produce drip tight closure against reverse flow caused by backpressure or backsiphonage

    扭力彈簧止回閥應該配置雙向合成橡膠閥瓣,並且在工作時對于反壓力和反虹吸所產生的迴流具有防滴漏關閉性能。
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