The U.S. Army Corps of Engineers performed a gate test of the new Folsom Dam Auxiliary Spillway April 12, 2017 in Folsom, California. The control structure has six gates that will work in conjunction with the main dam to release water sooner and more safely than via the main dam alone.
Негізгі бет Folsom Dam Auxiliary Spillway gate test (1/4x speed)
Пікірлер: 7