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ijסլС6 ¥³⹤ΪȰϵⶥճԤӦ
ճΪұ׼ɳڸֽߦj15.24ǿȱ׼ֵΪ1860 N/mm2ԤӦӦΪcon = 0.71860 N/mm2 = 1302 N/mm2˲üƬʽêߣ̶˲üѹʽê
¥ĻǿȵȼΪC45ǿȴﵽ100ʱɽ
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