【单选题】磁盘驱动器向盘片磁层纪录数据时,采用______方式写入
【多选题】The appropriate body language during an interview is _____________ .
C.
sit or stand up straight
D.
lean back a little bit to show your interest
【判断题】贴模性是指工件脱模后保持形状的能力( )
【多选题】The appropriate body language during an interview is _____________ .
C.
sit or stand up straight
【判断题】一般用限制截面最小尺寸的办法,防止梁发生斜压破坏 。