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- Check valve guiding shall be plastic to plastic. 止回阀引导装置应该是塑料对塑料。
- The Pacific tilting disc check valve uses gravity to rapidly close the disc upon reversal of flow. 美国太平洋翻转式阀瓣止回阀在出现逆流时利用重力迅速关闭阀瓣。
- 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。
- When you lie down,gravity holds you to the bed. 当你躺下时,引力把你吸在床上。
- Gravity holds a privileged position. 引力占有特殊地位。
- To test for tightness of second check Valve. 检测第二止回阀的密封性。
- When you lie down, gravity holds you to the bed. 当你躺下时,引力把你吸在床上。
- 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。
- When you jump, gravity pulls you down; when you sit, gravity holds you down. 你往上跳,是引力把你拉回原处;你坐着,是引力保持你在原位。
- When you jump,gravity pulls you down; when you sit,gravity holds you down. 你往上跳,是引力把你拉回原处;你坐着,是引力保持你在原位。
- 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。
- When you sit,gravity holds you down; when you lie down,gravity holds you to the bed. 当你坐时,引力往下拉你;当你躺下时,引力把你吸在床上。
- 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。