4732| 9
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缸內(nèi)壓力為100—150Mp,,應(yīng)該采用什么樣的密封方式,? |
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小黑屋|手機(jī)版|Archiver|機(jī)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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