开发高效浮选促进剂是改善难浮煤浮选效果的重要方法。
The development of high efficient accelerant for floatation is an important method to improve the floatation efficiency of difficult floated coal.
应用油气层保护技术，指导锦150块科学高效开发，取得了较好的效果。
The hydrocarbon reservoir protection technologies are applied to guide the development of Jin150 block and make better results.
特殊开发设计专利清洁辊轮，确保高效，稳定的清洁效果。
Patent adhesive roller guarantee its efficient and stable cleaning performance.
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