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    影響撅拷軋锟捷紋锟斤拷锟斤拷锟斤拷锟斤拷鹊锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷校锟斤拷囟锟�锟斤拷锟斤拷(y锟斤拷ng)變锟斤拷锟斤拷锟斤拷锟斤拷(y锟斤拷ng)锟斤拷锟斤拷B(t锟斤拷i)锟斤拷锟絊锟斤拷锟截度的斤拷锟斤拷锟絚锟斤拷(y锟斤拷ng)變锟斤拷锟绞碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟较碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟竭ｏ拷锟斤拷锟斤拷锟斤拷锟絯锟斤拷锟斤拷锟斤拷锟斤拷锟劫岋拷锟截度和戯拷(y锟斤拷ng)變锟斤拷锟斤拷锟截別锟斤拷锟斤拷锟斤拷锟紷锟斤拷(d锟斤拷o)锟斤拷锟斤拷鋼的低溫脆化锟斤拷锟斤拷(y锟斤拷ng)锟斤拷锟斤拷B(t锟斤拷i)锟斤拷影锟揭诧拷锟斤拷锟揭�锟斤拷锟絤然锟斤拷锟斤拷锟斤拷锟斤拷锟角凤拷映锟斤拷锟较的冿拷(n锟斤拷i)锟斤拷锟斤拷锟杰碉拷一锟斤拷锟斤拷锟絴(zh锟斤拷)指锟剿ｏ拷锟斤拷锟斤拷(y锟斤拷ng)锟斤拷锟斤拷B(t锟斤拷i)锟斤拷同锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷值也锟斤拷同锟斤拷