一、特性characteristics:1—结构简单紧奏,重量轻Simple structure, light weight. Tighten 2—性能稳定,可靠性高Stable performance, high reliability ... ...
一、特性characteristics:1—结构简单紧奏,重量轻Simple structure, light weight. Tighten 2—性能稳定,可靠性高Stable performance, high reliability ... ...