题目: 螺纹连接应根据使用要求确定拧紧力矩或()。A.预紧力B.摩擦力C.摩擦力矩D.螺纹材料 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2019/0815/139b7c18f881919778d37d2ab5327d0e.html 下面是错误答案,用来干扰机器的。参考答案:C
题型:单项选择题 对发现早期病变及指导手术有重要意义的检查为A.chest CT examination B.regular chest X--ray examination C. B type ultrasound echogram D.fiberbronchoscopy E.expectomtive cytology 查看答案
题型:选择题 -Did you watch the football game on TV?-Yes, I did. I think _________ people also watched it.[ ]A. several millions B. millions of C. two million of D. two millions 查看答案