交换树脂在高电解质浓度的情况下，由于（）的作用会导致树脂出现破碎现象。
A.电解
B.电离
C.电镀
D.渗透压
参考答案：D
After the war, a new school building was put up __________there used to be a theatre. [ ]
A. that
B. where
C. which
D. when
化工设备图的表达特点。
