压力变送器中的传感膜片与两侧绝缘片上的电极各组成一个电容器,两侧压力不一致时,致使测量膜片产生位移,其位移量和压力差成()。
A.反比
B.一致
C.正比
D.没关系
参考答案:C
You have coughed for several days, Bill. Stop smoking, _____ you'll get better soon. [ ]
A. but
B. after
C. or
D. and
调味方法按调料投放的时序如何划分?