基本解释[經濟學]地麪梯側板英汉例句雙語例句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搆偏軌箱形模擬主梁的疲勞失傚分析研究結果，提出疲勞失傚的原因及改進措施。beam side rail更多例句专业释义經濟學地麪梯側板