金属材料淬火的目的是为了获得马氏体,提高钢的()。
参考答案:机械性能
骨盆内测量最有助于诊断的是
A.对角径
B.真结合径
C.坐骨棘间径
D.坐骨切迹宽度
E.右斜径
“This contract is made by and between the buyer and sellers,whereby the buyers agree to buy and the sellers agree to sell the under mentioned goods subject to the terms and conditions as stipulated herein-after”,正确翻译为( )。
A.本合同由买方、卖方共同制定,买方同意按卖方要求买下以下商品B.本合同由双方共同制定,卖方同意按买方要求卖出以下商品C.兹经买卖双方同意按照以下条款由买方购进卖方卖出以下商品D.兹经双方同意,卖方同意按买方要求卖出以下商品