A lack of fire alarms and security systems does not inspire much confidence either.
火警装置以及安全系统的不健全也很难给人多少信心。
Security systems and fire control system to function and application has strong understanding.
对保安系统及消防系统功能及使用具有较强的认识。
Security systems and fire control system to function and application has strong understanding.
对保安系统及消防系统功能及使用具有较强的认识。
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