说到“淋水器”，先要说我们四川的公路和天气情况。四川是个盆地，四面都是山，出川的几个路口都是几公里或几十公里长的陡坡。由于山高坡陡，加之天气炎热，汽车下长坡时车轮容易发热，刹车往往失灵。为了解决这一问题，货车驾驶员们早在２０年前就开始装“淋水器”。但是， When it comes to “water sprinklers,” let’s talk about the roads and weather in our Sichuan Province. Sichuan is a basin, surrounded by mountains, a few of the intersection are a few kilometers or tens of kilometers of steep slopes. Due to the steep mountain slope, combined with the hot weather, the car is easy to heat the wheels downhill, the brakes are often failure. In order to solve this problem, truck drivers began loading “drainers” as early as 20 years ago. but,