Apply silicon sealer/lubricant to the inner and outer diameters of the flange kit gasket, and press the gasket onto the valve body end.是什么意思_Apply silicon sealer/lubricant to the inner and outer diameters of the flange kit gasket, and press the gasket onto the valve body end.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句