straight dam的意思|示意

The spoil is held behind a retaining dam, just more than 1 kilometer (0.6 miles) long, visible as a straight line at image lower left.

废弃区被一条仅有1公里(0.6英里)多的挡水坝拦截，见图中左下角的直线位置。

Koyna dam, India (1967) - straight gravity dam.

科伊纳大坝，印度(1967年)铅直重力坝。

Bear Valley Dam, USA (1992) - straight gravity (after modification).

熊谷大坝，美国(1992年)- - -铅直重力坝(改建后)。