The paper introduces the practice of an oil depot sticking to the "three simultaneous" safety management in its capital construction, technical transformation, and its routine management.
前言：介绍油库在基建、技改及日常经营管理中坚持安全管理的“三个同时”的一些做法。
Three simultaneous sonic booms echoed off the walls.
三个同时发生的音爆回荡在墙壁间。
Three simultaneous sonic booms echoed off the walls.
三个同时发生的音爆回荡在墙壁间。
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