rén​mín​fáng​kōng​gōng​chéng

civil air defense project

Senses

人民防空工程 rén​mín​fáng​kōng​gōng​chéng civil air defense project

civil air defense works or infrastructure designed to protect citizens during aerial attacks

References

abbreviation 人防工程/人防工程 人民防空工程/人民防空工程