20.2000-21,22,23,24,25规格参数
相关型号
20.2000-2122232425 20.2010-21,22,23,24,25 20.2010-2122232425 20.2020-21,22,23,24,25 20.2020-2122232425 20.2030-2122232425 20.2040-21,22,23,24,25 20.2040-2122232425 20.21.8.024.0000 20.21.8.024.4000