石灰石/石灰湿法烟气脱硫工艺主要由以下哪些部分组成?
A. 石灰石或石灰浆液制备系统
B. 石膏脱水系统
C. 吸收系统
D. 氧化系统
E. 烟气系统
F. 废水处理系统
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喷雾干燥法属于哪种脱硫工艺?
A. 干法
B. 湿法
C. 半干法
Immigrantshavetoadaptthemselvesculturallyandphysicallytothenewsurroundings____theyhavemove.
A. onwhich
B. bywhich
C. intowhich
D. fromwhich
________ in the company for three years, Mark has become experienced in business negotiations.
A. Worked
B. Have been working
C) Have worked
D. Having worked
人与病原生物间的关系主要表现为()
A. 共生
B. 寄生
C. 拮抗
D. 捕食
E. 共栖