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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，修正，或者由于疏忽錯(cuò)訂了產(chǎn)品，則采用這種套件能夠輕易地轉(zhuǎn)換閥門端口連接件。