卍南無阿彌陀佛卍 wrote:長度、直徑都能用簡單...(恕刪)
f02104 wrote:還有簡便方法就是去沙灘,用力戳下去,然後看看深度來計算硬度。..(恕刪)
卍南無阿彌陀佛卍 worte:長度、直徑都能用簡單...(恕刪)
f02104 wrote:有一種叫「生理組織硬度計」的測量儀器。還有簡便方法就是去沙灘,用力戳下去,然後看看深度來計算硬度。...(恕刪)