想買 噪音計,但見到有 Type I 及 Type II,有什麼不同?哪一類較好較準確?
I want to buy a Sound Level Meter, but there are classified into "Type I" & "Type II". What is the differents between them? Which will be better and more precise?
收錄日期: 2021-04-25 19:26:59
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https://hk.answers.yahoo.com/question/index?qid=20080402000051KK03088