前伸髁导斜度为30°时,侧方髁导斜度应为()
A.5°
B.10°
C.15°
D.16°
E.24°
参考答案:D
Shen Xue and Zhao Hongbo won the gold medal for China so we're proud
_____ them. [ ]
A. in
B. on
C. of
D. for
链条葫芦应定期加润滑油,但严防油渗进摩擦片内部而失去自锁作用。()