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锟斤拷锟絏輪锟斤拷锟紽锟斤拷锟絏輪锟斤拷Bevel锟斤拷,锟斤拷锟紽锟絏輪.锟斤拷锟斤拷锟洁交锟絊锟絞锟侥傦拷锟斤拷,锟斤拷锟轿硷拷锟斤拷锟接比可碉拷6,锟斤拷锟斤拷锟8锟斤拷锟斤拷锟斤拷锟较ｏ拷锟斤拷锟斤拷效锟斤拷一锟斤拷锟0.94锟斤拷0.98,锟斤拷 1锟斤拷直锟絏锟斤拷斜锟絏锟紽锟絏輪锟絆計,锟斤拷锟斤拷锟届及锟斤拷锟絙锟斤拷锟絕锟斤拷锟斤拷,锟斤拷锟斤拷聲锟絕锟斤拷,锟斤拷锟节碉拷锟劫傦拷锟斤拷(<5m/s);直锟絏锟紽锟絏輪锟斤拷锟接傦拷锟絝锟斤拷锟绞可碉拷370千锟斤拷,锟斤拷锟紸锟斤拷锟劫讹拷5锟斤拷/锟斤拷,锟斤拷斜锟絏锟紽锟絏輪锟斤拷锟斤拷锟絓锟紻平锟斤拷(w锟斤拷n)锟斤拷锟絏輪锟斤拷锟絛锟斤拷锟斤拷锟絕锟斤拷,锟斤拷锟斤拷锟斤拷锟斤拷锟絕锟統,锟斤拷锟斤拷锟斤拷锟絕锟劫★拷 2锟斤拷锟斤拷锟斤拷锟絏锟紽锟絏輪锟斤拷锟叫傦拷锟斤拷平锟斤拷(w锟斤拷n),锟斤拷锟斤拷聲小锟斤拷锟斤拷锟絛锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷c,锟斤拷锟节革拷锟斤拷锟斤拷锟絛锟侥堬拷锟斤拷,锟斤拷锟斤拷锟斤拷锟絏锟紽锟絏輪锟斤拷锟斤拷锟絓锟紻平锟斤拷(w锟斤拷n),锟斤拷锟斤拷锟絝锟斤拷锟绞可碉拷3700千锟竭ｏ拷锟紸锟斤拷锟劫度可碉拷40锟斤拷/锟斤拷锟斤拷锟斤拷,锟斤拷 锟街烇拷直锟絏锟斤拷锟絏輪,锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絏輪 |
