controlled avalanche device

例句：

1. 1. The controlled avalanche device was designed to prevent accidents during the construction of the mountain tunnel.
   受控的雪崩装置被设计来防止在修建山间隧道时发生事故。
2. 2.The engineers used this device to monitor the stability of the slope and control the avalanche risk.
   工程师们使用这个装置来监测斜坡的稳定性，控制雪崩风险。
3. 3. During heavy snowfall, the controlled avalanche device can be activated to prevent further damage to the infrastructure.
   在大雪天气下，可以启动受控的雪崩装置以防止基础设施进一步受损。