tangent wedge

机械专业... ... tangent tube wall 密排管水冷壁(无间隙)，切[接]管水冷壁 tangent wedge 切向槽楔 tangent welding 多级平行弧焊 ...

直角三角形_馆档网 ... "微动螺旋(测量)"," tangent screw" "切线楔"," tangent wedge" "切线加速度"," tangential acceleration" ...