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能否從吊扇扇葉外形看出吊扇是逆時(shí)針轉(zhuǎn)還是順時(shí)針轉(zhuǎn)? |
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點(diǎn)評(píng)
風(fēng)到后面去了。
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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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