【简答题】杆件抗弯刚度绝对值 EI 与杆长 L 之比,称为______。
【简答题】请以打字的形式提交第三段课文微课视频讲解的单词和短语。
【单选题】-----______you received the news ? ------Last night .
【单选题】听力原文:W: When was the last time you dusted this apartment? M: When was the last time my mother came over? Q: What does the man mean? (17)
A.
He hasn't had time to find another apartment.
B.
His mother dusted her apartment the day before last.
C.
He hasn't cleaned the apartment since his mother visited.
D.
His mother was the last person to come over to his apartment.
【多选题】法律案件中,常见的可视化图表包括( )。
【多选题】铣削奇数矩形齿离合器时,为了获得准确的齿形和较高的生产率,尽量不采用( )铣削。
【单选题】铣削奇数矩形齿离合器时,为了获得准确的齿形和较高的生产率,一般都采用( )铣削。