Molded-in liner fully supported by valve body at flange seals. Eliminates leakage between body and liner as in cartridge or boot dead-end service without the need for a flange on the downstream side.是什么意思_Molded-in liner fully supported by valve body at flange seals. Eliminates leakage between body and liner as in cartridge or boot dead-end service without the need for a flange on the downstream side.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句