由于燃烧器布置在双拱上,其喷口向下,故“W”型炉易于实现煤粉的()。
参考答案:分离浓淡技术
We haven’t got enough books for everyone to have one: some of you will have to ______.
A.spare
B.save
C.share
D.enjoy
人民法院审理对判决的上诉案件,应当在第二审立案之日起______内审结。
A.1个月B.2个月C.3个月D.4个月