下塌高度 l type slump
足弓下塌 FALLEN ARCHES
伦敦桥快要塌下来 London Bridge is Falling Down ; London Bridge Is Fallin
塌下 collapse ; yield to pressure ; give ; drop in
水下滑塌 subaqueous slump
倒塌下来 fall down
伦敦大桥塌下来 London Bridge is falling down
天塌下来了 The Sky Is Falling down ; sky is falling
在天塌下来的那一天 One day when the sky is fallin
塌腰下沉 Arch the back sinks ; fallen back sink
是的，先回宾馆下塌，好好休息一下。
应用高效的气体保护熔化极电弧焊焊接铝合金薄板时，容易出现熔池下塌、烧穿等焊接缺陷。
Welding defects such as collapse of molten pool, burning through, would like to happen in the high efficient gas shielded metal arc welding.
科学家推测，一旦这些恒星爆发完毕，剩余的气体就会在自身重力下塌缩进一个无限密集的点。
Once the stars sputtered out, the scientists posited, the remaining gas would collapse under its own gravity into an infinitely dense point.
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