涡轮流量计应在流量特性仪表系数曲线的()部分使用
A、显著下降
B、平直
C、峰值
D、流量上限
参考答案:B
烟叶复烤加工企业将调入的烟叶投入复烤生产线加工,最后加工出成品片烟和副产品。产成品总重量一般不高于原烟交接重量的95%,原烟的片烟出片率约为()。
A.60%~70%
B.65% ~70%
C.60%~75%
D.65%~75%
Directions:
A. Study the following cartoon carefully and write an essay in no less than 200 words.
B. Your essay must be written clearly on ANSWER SHEET 2.
C. Your essay should meet the requirements below:
1) Describe the cartoon,
2) deduce the purpose of the drawer of the picture, and
3) give your comments.