critical infrastructure

infrastructure important to national security

en-US/ˈkɹɪtɪkəl ˌɪnfɹəˈstɹʌkt͡ʃɚ/
en-GB/ˈkɹɪtɪkəl ˈɪnfɹəstɹʌkt͡ʃə/

زمرے:

infrastructure