能同时发挥凝集和絮凝作用而单独使用的高分子絮凝剂是()
A. 阳离子型
B. 阴离子型
C. 两性型
D. 非离子型
Which of the following procedures decreases the total dissolved solids concentration in the water of an auxiliary boiler?()
A. Hydrazine treatment of condensate
B. Frequent compounding
Chemical cleaning
D. Bottom blowing
好望角以特有的巨浪闻名于世,这一海区10米高的海浪屡见不鲜。好望角巨浪形成的原因有哪些?