destruction line的意思|示意

The results show that: 1 the destruction develops first from the center line of both sidewalls of roadway, after the local failure, there gradually formed a pair of "wedge" failure zone.

试验结果表明：1破坏首先发育在巷道两帮中线，局部破坏产生后，逐渐形成一对“楔形”破坏区域。

The planes then strafed the position, leaving a line of fire and destruction 50 yards long.

然后飞机对着敌方位置扫射，身后留下了一道50码长的燃烧和破坏带。

The phreatic line is higher at upstream-type tailings dam and most of dams are in saturated state, thus easily leading to flow slide destruction under earthquake.

上游法尾矿坝浸润线较高，大部分坝体处于饱和状态，地震作用下易发生液化流滑破坏。