delayed action mine

例句：

1. 1. The mine was a dangerous site, and the delay in action led to many casualties.
   这个矿场是个危险的地方，行动的延迟导致了许多人的伤亡。
2. 2. The mine was discovered during a routine inspection, but the delay in action cost lives.
   这个矿是在例行检查中发现的，但行动的延迟导致了生命的损失。
3. 3. The mine was closed down after the discovery of the delayed action mines.
   在发现延迟行动的地雷后，这个矿被关闭了。