以下为句子列表：
英文: Machinery can product higt precisely and stably .All the machine parts and components are made by adopting the hith quality material, strong struction ,durative lubricative system to make the machine working smoothly and decrease the frication damage.
中文: 全部机器采用优质材料，结构坚固，强制润滑系统使机器运转顺利并且可十分有效地减少磨损。
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英文: Piston plated by 0.5-3u tin on the surface in chemical way ,the tin layer with little hole has the lubri-cative quality of soft metal .it can absorb more lubricative oil to drop the friction between the piston and cylinder.
中文: 在活塞表面用化学方法镀覆05.-3的锡层，多孔的锡层有软金属的良好润滑特性，能吸附较多润滑剂，降低了活塞与气缸音的摩擦功.
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英文: The intubatton operating side of the lens body is smeared with the lubricative silicon oil, which can effeictively eliminate the friction resistence between the lens body and the trachea and hence make the clinic operation much more convenient.
中文: 麻亮爽镜体的插管操作面涂有润滑硅油，有效地消除了气管导管与镜体的摩擦阻力，临床操作更加方便。
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