Americans continue to lead the world in breakthroughs and _____ scientific discoveries.
A: cutting-bit
B: cutting-edge
C: cutting-through
A: cutting-bit
B: cutting-edge
C: cutting-through
举一反三
- ”cutting-edge”means .（ ）。 A: the unimportant B: cutting the edge of something C: the most advanced and the most fashionable D: the insignificant
- Among the cutting parameters ,( ) has the greatest influence on the cutting temperature. A: Cutting speed B: Back engagement of the cutting edge C: Feed D: Feeding speed
- Cutting edge inclination angle is the angle included between major cutting edge and________. A: cutting edge plane B: reference plane C: major motion direction D: feed direction
- When installing the turning tool, the turning tool ( ) must coincide with the rotating center of the workpiece. A: main cutting edge B: side cutting edge C: front cutting surface D: blade tip
- When installing the turning tool, the turning tool () must<br/>coincide with the rotating center of the workpiece. A: ,main cutting edge B: ,side cutting edge C: ,front cutting surface D: ,blade tip