樓主: 暈車的司機(jī)
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同步帶設(shè)計(jì),,高速時(shí)噪音大,! |
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點(diǎn)評(píng)
這個(gè)意義不大,,當(dāng)同步帶的齒與帶嚙合時(shí),,氣自然會(huì)排走,同步帶輪的噪聲與“氣”無(wú)關(guān),。
評(píng)分
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