This product base on alloy of broze of special formula.The solid lubricating medium is inlaid in the friction surface and the friction area of the solid lubricating medium take over 20%.是什么意思_This product base on alloy of broze of special formula.The solid lubricating medium is inlaid in the friction surface and the friction area of the solid lubricating medium take over 20%.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句