散装汽油和柴油的质量检验周期为()。
(A)1个月
(B)3个月
(C)6个月
(D)1年
参考答案:B
Piao Jinhui was elected president of the Republic of Korea in February, 2013 by a ______ majority, ______ a brand new start of the country.
A.narrow; marking
B.light; having marked
C.light; marking
D.narrow; having marked
GC速率理论方程(范氏方程)中包括的参数H=A+B/u+Cu
A.峰高
B.涡流扩散
C.纵向扩散
D.传质阻抗
E.理论塔板数