锟絏锟酵材碉拷锟斤拷锟斤拷處锟斤拷锟絁(r锟斤拷n)锟絉(sh锟斤拷)

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锟斤拷2锟斤拷锟�(y锟斤拷ng)锟絆锟斤拷锟斤拷锟斤拷要锟侥時(sh锟斤拷)锟絞锟斤拷锟絃(zh锟斤拷ng)锟斤拷锟斤拷锟斤拷要锟斤拷十锟斤拷鐘ｏ拷锟斤拷锟斤拷锟絎(xu锟斤拷)锟斤拷锟斤拷只锟斤拷要锟教短的庯拷十锟斤拷锟斤拷

锟斤拷3锟斤拷锟�(y锟斤拷ng)锟絆锟斤拷锟斤拷锟斤拷锟缴的碉拷锟斤拷锟斤拷膜锟斤拷燃s锟斤拷5——20微锟阶ｏ拷硬锟絴(zh锟斤拷)锟�(y锟斤拷ng)锟絆锟斤拷锟斤拷膜锟斤拷瓤锟斤拷_(d锟斤拷)60——200微锟阶ｏ拷锟斤拷锟斤拷锟斤拷锟絕锟斤拷硬锟斤拷锟斤拷锟斤拷锟矫碉拷锟酵燂拷徒^锟斤拷锟斤拷锟斤拷锟斤拷锟絞锟斤拷锟斤拷锟斤拷锟节伙拷锟絎(xu锟斤拷)锟斤拷锟斤拷膜锟斤拷锟斤拷锟�锟斤拷锟叫很好碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絎(xu锟斤拷)锟斤拷锟斤拷锟斤拷锟缴碉拷膜锟紿锟紿0.01—0.15微锟斤拷锟斤拷锟斤拷锟斤拷锟絴(zh锟斤拷)軟锟斤拷锟斤拷磨锟斤拷锟斤拷锟絞锟斤拷锟斤拷锟斤拷锟斤拷锟�(y锟斤拷ng)锟絆锟斤拷锟斤拷膜锟斤拷一锟姐不锟剿單拷(d锟斤拷)使锟矫★拷