果味酸柯林斯词典

butterfly swing check valve

B 开头单词

常见例句

    双语例句

  • Divided by the structure of a non-return valve can be divided into the H72 non-return valve on the jack-up folder, and Swing Check Valve Slow Close ZHYH46EJ micro butterfly check valve in three.
    止回阀按结构划分，可分为H72对夹升降式止回阀、旋启式止回阀和ZHYH46EJ微阻缓闭蝶形止回阀三种。
    • 返回 butterfly swing check valve