格栅的作用？
参考答案：
斜（垂直）置在废水流经的渠道上或泵站集水池的进口处，用以拦截水中较大悬浮物或漂浮物。
_____ physics, he likes maths better.
A．As he much likes
B．Much as he likes
C．Much likes as he
D．Likes much as he
电信用户对交纳的本地电话费用有异议的，电信业务经营者应当应电信用户的要求免费提供本地电话收费依据。
