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| блок подготовки воздуха (в пневматических системах) | |||
| Chinese thesaurus | |||
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| 三点组合即 过滤器+调压阀+给油器 常用于汽缸使用之高压空气，起到过滤杂质并给高压气体中添加润滑油，使汽缸在运动时减少磨损 | |||
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