In the 1980s, the first air intake systems were offered and consisted of molded plastic intake tubes and a cone-shaped cotton gauze air filter.
在1980年代，进气系统第一次提出了模塑料进气组成，一个锥形棉质纱布管和空气过滤器。
2
The utility model relates to a fish flake, which comprises a chassis and an outer housing, wherein, the outer housing is a cone frame; the outer surface of the frame is paved with a gauze net;