They all()the job
A.asked after
B.asked for
C.asked to
D.asked with
参考答案:B
沸腾炉布置在悬浮段的受热面称为埋管。
下列哪项属于注意稳定性方面障碍
A.注意增强B.随境转移C.注意减弱D.注意缓慢E.注意狭窄