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1.The column end plug is a crucial part of the assembly process.
柱端密封件是组装过程中至关重要的一部分。
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2. The engineer used a special tool to remove the column end plug.
工程师使用特殊的工具来移除柱端密封件。
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3.The column end plug was designed to prevent leaks during transportation.
柱端密封件的设计是为了在运输过程中防止泄漏。