静态容积法液体流量标准装置各种类型的流量计上下游的（）长度要求不一，要由装置功能来决定。
参考答案：直管段
Take care! Don’t drop ink on your shirt, for it _______ easily.
A．won’t wash out
B．won’t be washed out
C．isn’t washed out
D．isn’t washing out
—Would you like _____ shopping with me?
—Yes, _____. [ ]
A. going; please
B. to go; I'd love to
C. to go; I would
D. going; I would like to
