Often, however, parents lack an understanding of the currentrating system, which can be confusing and misleading.
然而父母缺乏这方面的了解很难建立一个评分系统,在筛选时这个评分系统可以被混淆,并误导。
2
With development of PTC thermistors having large currentrating and their miniaturization PTC Ceramic materials with low resistivity are in urgent need.