按既定程序维护火灾报警装置和灭火器，确保其满足安全条件，万一遭遇紧急情况可随时使用。
Working with established procedures, Maintenance Technician maintains the fire precaution system and extinguishers, ensures they meet all safety codes and are ready for use in case of an emergency.
按既定程序维护火灾报警装置和灭火器，确保其满足安全条件，万一遭遇紧急情况可随时使用。
Working with established procedures, Maintenance Technician maintains the fire precaution system and extinguishers, ensures they meet all safety codes and are ready for use in case of an emergency.
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