常见例句A beam of channel croas section was analysed closely,. its large deformation and critical moment was given. 本文仔细分析了一个槽形截面梁的大变形并给出了其临界弯矩。corporate performance includes CROA, ROE and EPS. 公司经营绩效用主营业务利润率、净资产收益率和每股收益来衡量。 返回 Croas