中央传动的小园锥齿轮的轴向间隙调整值为负值,通常采用()测定。
参考答案:测定阻力矩间接
在“于瓷盆中盛其瓶,盛得三升以来”中,“以来”之义为()
A.以上
B.以下
C.以往
D.以后
The unemployment total was ____ 20% of the workforce. [ ]
A. get close to
B. close to
C. closed to
D. get closely to