The utility model has the advantages of that the filtering oil box is used co-operating with a press main oil box, not only guarantees the cleaning of the oil liquid under the apparatus, prevents the ratio pressure valve deadlocking and clogging, improves working efficiency, but also reduces the use-cost of users.
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The longer moldboard improves working efficiency.
更长的铲刀，提高了作业效率。
The assembly part requiring rotation position is convenient and easy to use and improves working efficiency after utilizing the rotation coupling position device.
需要旋转定位的组合件采用了旋转偶合定位后，使用方 便、快捷，提高了工作效率。
The practical running indicates the developed testing and controlling instrument improves working efficiency and testing objective reality, it has definitely practical value.
实际运行表明，所开发的测控仪提升了工作效率和测试的客观性，具有一定的实用价值。
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