The piece of cap is made from high heat-resistant material with good heat capacity, and Brinell hardness number in 180 to 135.是什么意思_The piece of cap is made from high heat-resistant material with good heat capacity, and Brinell hardness number in 180 to 135.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句