ionic contamination造句

is there a board ionic contamination being tested ? if so, what is the test frequency
是否有做离子污染测试?测试频率怎样
standard test method for conductimetric analysis of water soluble ionic contamination of blasting abrasives
喷砂磨料水溶解离子污染导电分析的标准试验方法
is there a board ionic contamination being tested ? if so, what is the test frequency
你们是否能做阻抗测试？测试能力和测试频率如何？请说明如何控制阻抗，如何保存（阻抗）测试条？
It's difficult to find ionic contamination in a sentence. 用ionic contamination造句挺难的