clapper valve 中文意思是什麼
clapper valve
解釋
瓣閥-
Using the centerline access bar, spin the check assembly from the 9 o ' clock position to the 12 o ' clock position, then ( without letting go of the access bar ) push the cam assembly slightly downstream so that the clapper is now parallel to the valve body
用中心線接近棒將止回閥總成從時鐘指針9點的位置旋轉到12點的位置,然後(不要松開接近棒)將凸輪總成稍微往下游推使得閥瓣與閥體平行。
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