当两个零件接触时,在同一方向应避免一个以上的表面同时接触
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轴与孔配合且轴肩与端面相互接触时,在两接触面的交角处不应加工退刀槽、倒角
A. 对
B. 错
____career you choose,effective communication skills will serve you well.
A. Whenever
B. Wherever
C. Whatever
D. Howerver
Studies have shown that humans working with machines are ____than a human or a machine working alone.
A. more effective
B. most effictive
C. effictive
D. least effictive
The application of AI in healthcare is expected to cut ____the cost of treatments and care.
A. out
B. into
C. down
D. through