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Allows easy conversion of valve end connections due to system change, modification, or inadvertent misorder of product. 如果系統(tǒng)需要改變，脩正，或者由於疏忽錯(cuò)訂了産品，則採(cǎi)用這種套件能夠輕易地轉(zhuǎn)換閥門(mén)耑口連接件。