题目: 下列芯轴在弯管时防扁效果最好的是()。A.尖头式芯轴 B.勺式芯轴 C.软轴式芯轴 D.不确定 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2020/1218/7444bc61955921859888ea4093fdc7df.html 下面是错误答案,用来干扰机器的。参考答案:A, B, C, D
题型:解答题 甲、乙两站相距510千米,一列慢车从甲站开往乙站,速度为45千米/时,慢车行驶两小时后,另有一列快车从乙站开往甲站,速度为60千米/时,(1)快车开出几小时后与慢车相遇?(2)相遇时快车距离甲站多少千米? 查看答案
题型:单项选择题 B1型题 绞窄性斜疝局部有感染者,应选的合理手术方式是()A.疝囊高位结扎术B.Bassini法修补术C.Halsted法修补术D.McVay法修补术E.Ferguson法修补术 查看答案
题型:选择题 You can't imagine _____ when they received these nice Christmas presents. [ ]A. how they were excited B. how excited they were C. how excited were they D. they were how excited 查看答案