1·The dam builders fail to consider the downstream effects of cofferdam failure.
水坝工程师没有考虑围堰崩溃对下游造成的影响。
2·Construction in the river and the beach can also avoid the construction of the cofferdam, reducing the cost of drainage.
施工中还能避免在河道和海滩建筑围堰，减少排水费用。
3·The river way closure cofferdam construction got extensive use as one kind of routine construction techniques, but it has certain limitation on some specially conditions.
河道截流围堰施工作为一种常规的施工工艺得到广泛应用，但该工艺有一定的局限性，受限于某些特定的条件。
4·The cofferdam is safe and stable.
目前围堰是稳定安全的。
5·During bank slope excavation in cofferdam in a harbor construction, the work had to be suspended due to water leakage (river water and ground water) into the foundation pit.
某码头工程在采用围堰进行岸坡开挖过程中，受江水和地下水位的影响，基坑内有水渗入导致工程无法进行。