例句與造句

1. Overflow cofferdam and iversion tunnel are used offen to diverse the flow especialy where or the river discharge changing widely . there are many rivers in mountainous area in our country , so this kind of cofferdam is used relatively frequently in river divertion during construction
   過(guò)水圍堰和導(dǎo)流隧洞相結(jié)合的導(dǎo)流方式對(duì)于流量季節(jié)性變化懸殊的河流具有一定的適用性。我國(guó)的山區(qū)性河流較多，因此這種圍堰過(guò)流的導(dǎo)流方式在施工導(dǎo)流工程中較為常用。
2. It's difficult to find overflow cofferdam in a sentence. 用overflow cofferdam造句挺難的