testing fee of safety equipment, du

testing fee of safety equipment, during annual test in december

Results (Chinese Traditional) 1:

測試安全設備，在 12 月的年度測試期間的費用

Results (Chinese Traditional) 2:

在每年的十二月測試過程中的測試安全設備，費用

Results (Chinese Traditional) 3:

安全設備的測試費用，在十二月的年度測試中