20.3000M/4-P规格参数
相关型号
20.3000M/5 20.3000M/6 20.3000M/6-P 20.3000M/8 20.3000M/8-P 20.3001M/12 20.3001M/2 20.3001M/2-E 20.3001M/3 20.3001M/3-E