The Watts Series TDV valve bodies have anti-rotation lugs on the inlet and outlet. These lugs, combined with the Watts Flange Adapters, provide a ridged rotation free installation.是什么意思_The Watts Series TDV valve bodies have anti-rotation lugs on the inlet and outlet. These lugs, combined with the Watts Flange Adapters, provide a ridged rotation free installation.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句