bourdon pressure vacuum gauge 中文意思是什麼
bourdon pressure vacuum gauge
解釋
包爾登低壓真空計-
Verification regulation of bourdon tube precision pressure gauge and vacuum gauge
彈簧管式精密壓力表和真空表檢定規程 -
Verification regulation of bourdon tube pressure gauge pressure vacuum gauge and vacuum gauge for general use
彈簧管式一般壓力表壓力真空表和真空表檢定規程
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