For foot valve, replace inlet end connection with an F. V. screen housing assembly.

对于底阀，用一个F.V。滤网外壳组件更换进口连接管接头。

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You can see him on the T. V. screen quite often.

你可以经常从电视屏幕上见到他。

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You can see him on the T. V. screen quite often.

你可以经常从电视屏幕上见到他。

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