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锟斤拷锟斤拷锟斤拷處锟斤拷囟雀锟斤拷锟(j锟斤拷)锟斤拷锟絴(zh锟斤拷)锟斤拷同锟斤拷锟斤拷貨锟斤拷B(t锟斤拷i)锟斤拷同锟斤拷(l锟斤拷i)锟絖锟斤拷锟斤拷锟斤拷(du锟斤拷)锟斤拷碳鋼和低合斤拷锟锟斤拷锟斤拷處锟斤拷囟锟揭伙拷锟斤拷锟580~680锟芥,锟斤拷處锟斤拷r(sh锟斤拷)锟絞锟斤拷锟斤拷锟斤拷锟侥猴拷却_锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟絗锟紺锟斤拷锟斤拷锟斤拷锟絯锟斤拷處锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷80%~90%锟侥氾拷锟斤拷锟斤拷(y锟斤拷ng)锟斤拷锟斤拷
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锟斤拷锟斤拷锟斤拷锟斤拷锟絇(gu锟斤拷n)注锟斤拷
锟斤拷锟斤拷山锟絴摩锟斤拷锟斤拷锟紺(j锟斤拷)锟斤拷山锟絴摩锟斤拷锟斤拷锟紺(j锟斤拷)锟絊锟揭★拷锟絶锟絏摩锟斤拷锟斤拷锟紺(j锟斤拷)锟斤拷摩锟斤拷锟斤拷(du锟斤拷)锟接猴拷锟紺(j锟斤拷)
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