型号：YCT112-4A、YCT112-4B、YCT132-4A、YCT132-4B、YCT160-4A、YCT160-4B、YCT180-4A、YCT200-4A、YCT200-4B、YCT225-4A、YCT225-4B、YCT250-4A、YCT250-4B、YCT280-4A、YCT315-4A、YCT315-4B、YCT355-4A、YCT355-4B、YCT355-4C、YCT400-4A、YCT400-4B)