User-Agent: Googlebot
Disallow: /?
Disallow: /osnovnoj_razdel/
Disallow: /rabochij_razdel/

User-Agent: Yandex
Disallow: /?
Disallow: /osnovnoj_razdel/
Disallow: /rabochij_razdel/

Host: www.sam-site.ru 
Crawl-delay: 3
User-Agent: *
Disallow: /?
Disallow: /osnovnoj_razdel/
Disallow: /rabochij_razdel/