例句與造句

1. Laying small diameter pipes at fairly flat gradients requires careful construction techniques.
2. Cutthroat flumes lack a parallel-wall throat section ( hence the name ) and has a flat-bottom to allow for installation in flat gradient channels.
3. The result of these efforts was a flume that is simple in form and construction and that is well suited for use in flat gradient ( low slope ) applications.
4. The submergence transition values for Cutthroat flumes are generally better than those for similarly sized Parshall flumes  an advantage in flat gradient channels where downstream hydraulics may increase the submergence ratio in the flume.
5. It's difficult to find flat gradient in a sentence. 用flat gradient造句挺難的