6803| 16
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氣缸能否活動端再真空中,缸體在大氣環(huán)境中工作如圖所示 |
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點評
圖中描述錯了真空度10^-3帕以上
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小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,浙公網(wǎng)安備33038202004372號 )
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