那需要运动员有高超的技巧、冷静的头脑和迅速的反应能力。It takes great skill, cool nerves and the reflexes of an athlete.显然，她是全家口才最好、最沉着冷静的人。She is clearly the most articulate and self-possessed member of her family.她是个很冷静的家伙。She's a real cool ...
键槽的生成是用了0.63最小圆狐的尺寸条件.Was the keyway created using a min arc condition dimension of .0.63?差于无键槽的印版滚筒,螺丝一不退给拧紧.For non - key way of plate cylinder screws must be tightened up.本插床可插各种大、中型零件内外平面、型面和键槽等粗精加工.This slotting mac...