To install simply bolt the IPF flange to the pump or circulator flange. Be sure the pump flange has its rubber gasket in place.是什么意思_To install simply bolt the IPF flange to the pump or circulator flange. Be sure the pump flange has its rubber gasket in place.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句