check valve英 [tʃek vælv] 美 [tʃɛk vælv]n.止回阀网 络止回阀；单向阀；逆止阀；止逆阀双语例句1. Service the second check valve using steps 2 through 12. 按照第2步至第12步维修第二止回阀.2. Purpose : To test check valve No.2 for tightness against flow. 目的: 检测止回阀2号对于回流是否紧密密封.3. Seat discs shall be reversible to extend check valve life. 阀座阀瓣应该是双向的,能够延长止回阀寿命.4. Types A and B have an integrated bypass check valve. 类型A和B有一个集成的旁路止回阀.5. Use a check valve to prevent reverse flow into the cylinder. 采用止回阀,防止回流入钢瓶.
