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廠家設(shè)計(jì)風(fēng)機(jī)是否根據(jù)1個(gè)大氣壓,20攝氏度的大氣狀態(tài)來(lái)設(shè)計(jì)的嗎,? |
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小黑屋|手機(jī)版|Archiver|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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