511200规格参数
相关型号
51-120-006 5-1120-1 5-1120-1.5 5-1120-1.5S 5-1120-1/2 5-1120-1/2-2R 5-1120-1/2-3R 5-1120-1/2-4R 5-1120-1/2S 5-1120-1-2R