凹形凿
concave───adj.凹的,凹面的;n.凹面;v.使变凹形
concave function───[数]凹函数
concave shape───[医]凹形
concave polygon───n.[数]凹多边形;n.凹多边形
concave mirror───n.凹透镜; 凹镜
concavo-concave───adj.两面凹的
concave upward───凹向上的;凹向上;[医]凹面向上
bit───adj.很小的;微不足道的;n.[计]比特(二进位制信息单位);少量;马嚼子;辅币;老一套;一点,一块;adv.有点儿;相当;vt.咬(bite的过去式和过去分词);vt.控制
convexo-concave───adj.半凸半凹面的
So the axial force is reduced, the fixing centre of the concave bit is stable and the concave bit has a long lifetime.───从而减小了轴向力,使钻头定心稳、寿命长,提高了钻削速度和工作效率。
- complex target
- circletheboy
- closed dislocation
- code breaker
- combinatory logic
- clay sculpture room
- common birds
- choking resistance
- collecting main
- complex tone
- closed door
- concave block
- combine cylinder
- circlethecorrectpicture
- code call indicator
- common bit
- clay shooting
- collecting main pressure
- choking section
- closed economy
- complex transfer function