翻译结果4复制译文编辑译文朗读译文返回顶部 In general the Studio allows for the noise standards NR NR 20 and 30. 翻译结果5复制译文编辑译文朗读译文返回顶部 In the general movie studio allowed the noise standard is NR20~NR30. 相关内容 aAs long as you, health and sports. No matter what you ...
When measuring products such as fresh meat with a regular colorimeter, the entire body is placed on the object being measured, which not only dirties the instrument, but also makes it easy for liquids and moisture to directly enter the instrument, and also causes cross contamination of the obje...