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1.The engineer used a pinion bearing spacer to adjust the gears.
工程师使用一个偏心轴承垫来调整齿轮。
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2.The new design of the machine uses a pinion bearing spacer to reduce noise.
新机器的设计使用了偏心轴承垫来减少噪音。
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3. The technician replaced the worn out pinion bearing spacer with a new one.
技术人员用一个新的偏心轴承垫替换了磨损的垫片。