hydraulic powered supportl
英
美
- 液压支架
双语例句
- Power supply systems and configurations in electro-hydraulic control systems of powered support are presented.
介绍了各种液压支架电液控制系统的电源配置方式。 - A calibration valve oil for hydraulic shield safety valves was formulated by a base oilobtalned from the distillate of a deep-refining paraffinic crude with qualified additives.
以深度精制的石蜡基馏分油为基础油，添加具有改善油品性能的添加剂研制了液压支架安全阀校阀油。
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