混凝土井盖、井圈可不是洒水保养啊，井盖厚度一般在5至10公分厚，井圈一般在20公分厚，一般是在地上修一个四五米宽、十几米长、深35公分左右的节水水泥槽，长度的一头儿是直切面，一头儿是坡道式的。在此槽中生产，生产完后，慢慢注满水，满水浸泡保养，光洒水是不行的。

Concrete manhole, ring can not sprinkler maintenance ah, the thickness of the manhole cover is generally 5 to 10 cm thick, 20 cm thick well ring in general, is to build a four or five meters wide, ten meters long, about 35 cm deep water cement tank on the ground, a head of the length of the straight section, a head it is the ramp type. In this slot production, after the production, slowly fill the water, full water soaking maintenance, light sprinkler is not good.