队列是一种对进队列、出队列操作的次序做了限制的线性表。
参考答案:对
I can’t decide _____ .
A.to buy which one
B.which one to buy
C.to buy which
D.which to buy one
在焦炉内,煤气燃烧产生的热量,是通过炭化室墙传给煤料的。