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1. The engineer used a lubricant passage way to remove theold oil from the gears.
工程师使用润滑剂通道来清除齿轮上的旧油。
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2.The new machine has a lubricant passage way that reduces friction and extendslife.
新机器有一个减少摩擦并延长使用寿命的润滑剂通道。
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3. The techniciancarefully inspected the lubricant passage way beforeinstalling the new parts.
技术员在安装新部件前仔细检查了润滑剂通道。