完成了宇都宫厂与尖端仪器所提供的，这就导致在建立液压油过滤器，油冷却器全规模生产体系。
Completed the Utsunomiya Plant with the cutting-edge machines provided, which resulted in establishing the hydraulic oil filter and oil cooler full-scale production system.
本文主要论述利用颗粒度测试仪器对航空液压油、附件、过滤器实施检测与控制的方法。
The paper discusses test and control of aviation hydraulic oils, accessories and filters by use of particle size test device.
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