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- large check valve 大型止回阀门
- Check valve guiding shall be plastic to plastic. 止回阀引导装置应该是塑料对塑料。
- Remove check valve and valve seal from booster. 从倍力器上卸去逆止阀和阀门密封。
- Connect vacuum hose to booster check valve. 连接真空软管到增压器检测阀。
- To test for tightness of second check Valve. 检测第二止回阀的密封性。
- ANSI FLANGED SWING CHECK VALVE CLAS. 美标法兰止回阀。
- Reassemble the Check valve modules. 重新组装止回阀模块。
- Connect vacuum hose to booster check valve . 连接真空软管到增压器检测阀。
- Purpose: To test check valve No. 1 for tightness. 目的:检测止回阀1号的密封性。
- Sticky outlet check valve poppet. 1检查过滤的进水管线。
- CAUTION: The check valve spring is in compression. 警告：止回阀弹簧处于压缩状态。
- Remove the four screws holding the first check valve cover. 拆卸固定第一止回阀阀盖的四个螺丝。
- A check valve may be required ahead of the backflow preventer. 此时在防回流阀前面可能需要安装一个止回阀。
- This large check is especially attractive to cash-strapped college students, who are easy to target with ads in college newspapers. 这样大笔的报酬特别对囊中羞涩的大学生更有吸引力,她们很容易将目光投向大学报纸上的广告。
- The young man has to account for the large checks he wrote out at college. 这个青年必须对他在大学开出的大额支票作出交代。
- Does that mean you should avoid large checks or horizontal stripes? Not at all. 是不是说不该穿大格或条子呢?不是。
- 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。
- Use a check valve to prevent reverse flow into the cylinder. 采用止回阀,防止回流入钢瓶。
- Check valve seats are replaceable without the use of special tools. 止回阀阀座可更换，不需要采用特殊工具。
- Check valve tags are typically mounted on the rim of the cap. 止回阀标签通常安置在阀帽的边缘上。
