Adhere to the principle of the combination of special groups of fire work.
坚持专群结合的消防工作原则。
Always adhere to the "aesthetic concept and the function perfect combination" of the work method.
始终坚持“美学概念和功能概念完美结合”的工作方法。
Always adhere to the "aesthetic concept and the function perfect combination" of the work method.
始终坚持“美学概念和功能概念完美结合”的工作方法。
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