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1. The ball bearing tube is a crucial component in the assembly process.
轴承管是组装过程中的关键部件。
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2. The engineer carefully inspected the ball bearing tube for any signs of wear.
工程师仔细检查了轴承管,以查看任何磨损的迹象。
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3. The new design uses a more efficient ball bearing tube to reduce friction.
新设计使用更高效的轴承管来减少摩擦。