This paper introduces the National Standard of ICI pilling box-GB/4802.3-1997 in brief for us. We approve the test of cork material s friction modulus in ICI pilling box which is most important in testing.是什么意思_This paper introduces the National Standard of ICI pilling box-GB/4802.3-1997 in brief for us. We approve the test of cork material s friction modulus in ICI pilling box which is most important in testing.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句