plugging up of absorber

例句：

1. 1. The pipewas plugging up with dirt.
   水管被泥土堵塞了。
2. 2. The car's engineis plugging up.
   汽车的引擎正在堵塞。
3. 3. The drain was plugging up withhair.
   下水道被头发堵塞了。