7630| 16
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氣缸能否活動(dòng)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(diǎn)評(píng)
圖中描述錯(cuò)了真空度10^-3帕以上
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Archiver|手機(jī)版|小黑屋|機(jī)械社區(qū) ( 京ICP備10217105號(hào)-1,京ICP證050210號(hào),浙公網(wǎng)安備33038202004372號(hào) )
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