产品型号：
KB220-4KB220-5KB220-6KB220-8KB220-10KB220-12KB220-16KB220-18KB220-20KB220-25KB220-30KB220-35KB220-40KB220-36KB220-48KB220-50KB220-60KB220-80KB220-90KB220-100KB220-120KB220-125KB220-128KB220-150KB220-180KB220-190KB220-200KB220-240KB220-256KB220-320KB220-384KB220-512KB220-600KB220-800KB220-1000