asbestos mask

例句：

1. 1.He wore an asbestos mask to protect himself from the dust.
   他戴着石棉口罩来保护自己免受灰尘的伤害。
2. 2.The workers had to wear asbestos masks when handling hazardous chemicals.
   当处理危险化学物质时，工人们必须戴上石棉口罩。
3. 3. The asbestos mask was a crucial piece of equipment for the construction site safety.
   石棉口罩是施工现场安全的关键设备。