Methods for determination oil volume on tin plate surface were reviewed,which include gravimetry, hydrophil balance method, molecular spectrometry and ellipsometry etc.
电镀锡板弧表面抗划伤性近来受到越来越多的重视 ,但至今对此尚无统一的标准测试方法。
英语例句辞典收录519880条英汉例句词条,基本涵盖了全部常用单词的造句方法及例句,是英语学习的有利工具。