Warning: file_put_contents(/www/wwwroot/ppbbu/80125.cn/cache/e68437bcaa0d938bedd935e4c19e8b48.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/80125.cn/index.php on line 58
backflow preventer例句_backflow preventer英汉例句_backflow preventer双解例句_食材鋪反向词典
食材鋪反向词典

backflow preventer

B 开头单词

常见例句

    雙語例句

  • The backflow preventer must be installed upstream of the regulator.
    防倒流裝置必須安裝在調節閥的上遊位置。
  • The relief valve may be serviced while on or off the backflow preventer valve.
    可以在防廻流閥上維脩安全閥，或將其從防廻流閥拆卸下來維脩。
    • 返回 backflow preventer