我国目前秤的允差为()允差,最大允差等于首次检定时最大允差的2倍。
参考答案:分度值
After in the new course reform for many years, the English teacher published over 30 books.
A.buried
B.being buried
C.having buried
D.having been buried
在汽车起动机中,需传递较大转矩且起动机尺寸较大时,应用()式单向离合器。
A.滚柱
B.摩擦片
C.弹簧
D.楔块