在精加工时,切削深度及进给量小,切削力及变形小,可以修正粗加工时产生的()。
A、上差
B、下差
C、公差
D、误差
参考答案:D
点子几乎全部落在控制界限内,是指()。
A.连续25点以上处于控制界限内
B.连续30点仅有1点超出控制界限
C.连续35点仅有1点超出控制界限
D.连续80点不多于2点超出控制界限
E.连续100点不多于2点超出控制界限
During a shock state, the renin-angiotensin-aldosterone system exerts which effect on renal function
A.Decreased urine output, increased reabsorption of sodium and water.
B.Decreased urine output, decreased reabsorption of sodium and water.
C.Increased urine output, increased reabsorption of sodium and water.
D.Increased urine output, decreased reabsorption of sodium and water.