【判断题】输出轴属于轴套类零件,轴套类零件结构的主体部分大多是同轴回转体,它们一般起支承转动零件、传递动力的作用。
【判断题】零件的种类大致可分为:轴套类零件、盘盖类零件、叉架类零件和箱体类零件四类。
【简答题】西安事变是张杨二人在抵达西安时就已经策划好的。
【简答题】如图,△ABC≌△AEF,∠EAC=30°,求∠BAF的度数。
【简答题】A mystery shopper is not a professional spy. Mystery shoppers are the secret eyes of service companies that need reliable judgment of their market competitiveness. However, earning an income as a myst...
【简答题】如图,四边形ABCD中,∠BAF,∠DAE是与∠BAD相邻的外角,且∠BAD:∠BAF=4:5,求∠BAD,∠DAE的度数.
【判断题】西安事变是张杨二人在蒋介石抵达西安时就已经策划好的。
【判断题】西安事变是张杨二人在蒋介石抵达西安时就已经策划好的。()