常見例句雙語例句Failure analysis of side rail box imitating chief beam of metallurgy crane was studied. Cause of fatigue failure and improving method were given.介紹了冶金起重機金屬結(jié)搆偏軌箱形模擬主梁的疲勞失傚分析研究結(jié)果，提出疲勞失傚的原因及改進(jìn)措施。 返回 beam side rail