low-pressure sprinkler

例句：

1. 1.The low-pressure sprinkler system was designed to prevent water damage in the event of a leak.
   低压喷头系统设计用来预防漏水时的水损。
2. 2. The new low-pressure sprinkler is more efficient than the old one, reducing water usage by 30%.
   新的低压喷头比旧的更高效，用水量减少了30%。
3. 3.In some areas, low-pressure sprinklers are used to control weeds and grasses in gardens.
   在一些地区，低压喷头被用来控制花园里的杂草和草。