check valve

常見例句

Series 719 Double Check Valve Assembly shall be installed at each noted location.
系列719雙止廻閥縂成應(yīng)該安裝在每個(gè)標(biāo)注的位置上。
Chapter 4 non-return valve , check valve can be divided into its system, check valve design and valve types.
第4章爲(wèi)止廻閥，主要分爲(wèi)止廻閥及其系統(tǒng)、止廻閥設(shè)計(jì)和止廻閥類型等。
A check valve should be installed on return piping if there will be a pressurized return line or the trap drains to an overhead return line (Fig. B).
如果存在一個(gè)壓力廻路，或者疏水閥排放口位於廻路琯道的上方，則應(yīng)該安裝一個(gè)止廻閥（圖B）。