下面对Q235-A钢容器说法正确的是（）。
A、可盛装液化石油气体
B、硅含量多
C、可直接受火焰加热
D、钢板厚度大于16mm
参考答案：B
The school advisers help you talk through your problems but they don't give you any direct ________.[ ]
A. solution
B. target
C. measure
D. function
布件上的污垢如何去除？
