前伸髁导斜度为24°,侧方髁导斜度为()
A.5°
B.10°
C.15°
D.20°
E.25°
参考答案:C
My father works in a _____. His students like him very much. [ ]
A. hotel
B. hospital
C. university
D. factory
钢筋弯曲机使用中正确的做法是()。
A.应在弯曲钢筋的作业半径内指挥作业人员操作
B.应在钢筋弯曲机低速运转时进行转盘换向
C.应在钢筋弯曲机停止作业时进行加油或清扫
D.作业中更换芯轴、梢子、变换角度以及调速时人员必须戴安全帽