大圆机常用型号 美国EP（力比）同步带5M-500-25MM 5M-520-25MM 5M-550-25MM 5M-600-25MM 5M-620-25MM 5M-640-25MM 5M-700-25MM 5M-800-25MM 5M-900-25MM 8M-840-50MM 8M-880-50MM 8M-920-50MM 8M-960-50MM 8M-1000-50MM 8M-1040-50MM 8M-1056-50MM 8M-1064-50MM 8M-1080-50MM 8M-1160-50MM
大圆机同步带