3028| 4
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【求助】燃燒室內(nèi)氣體的流量系數(shù)一般取多少? |
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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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