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- single check valve 单止回阀
- 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。
- Service of check valve components shall be through a single stainless steel access cover secured with stainless steel bolts. 维修止回阀部件应该通过唯一的用不锈钢螺栓紧固的不锈钢检修盖进入进行。
- You can also apply a single CHECK constraint to multiple columns by creating it at the table level. 还可以通过在表级创建CHECK约束,将一个CHECK约束应用于多个列。
- 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。
- The equivalency of an automated single check system to a manual check must be shown, however, and this might not always be possible. 一个自动的信号检查系统应当是和手工检查是等价的，然而这个可能不总是存在的。
- 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。
- On the other hand, a single check computer system might accurately check the component weight and physical transfer but not its granularity or other sign of identification. 另一方面，一个信号检查计算机系统，可以正确的检查成分重量和物理变化，但不能检查粒度或其它的确认特征。
- 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。
