double check valve

基本解釋

• 雙止回閥；雙單向閥

英漢例句

雙語例句

• The TK-DL can test pressure vacuum breakers, reduced pressure backflow preventers or double check valve assemblies.
  TK-DL可以檢測(cè)壓力真空斷路閥，減壓防回流閥或雙止回閥總成。
• Pre-installation required to double-check valve, and clear the valve internal transport, storage process of the damage caused.
  安裝前需仔細(xì)檢查閥門，并清除閥門內(nèi)在運(yùn)輸、存放過程中造成的損害。
• Double Check Valve Assembly shall be installed at referenced cross-connections to prevent the backflow of polluted water into the potable water supply.
  在相關(guān)的交叉連接處應(yīng)該安裝一個(gè)雙止回閥總成，以防止受到污染的水回流到飲用水系統(tǒng)中。

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詞組短語

短語

• double -check valve non-return valve 雙止回閥
• double check -valve assembly 雙逆止閥裝置
• Double Check Valve Backflow -Prevention Assembly 雙止回閥防回流組件

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專業(yè)釋義

經(jīng)濟(jì)學(xué)

• 雙止回閥