Based on clean production in oilfield, the technique of clampoff in well pulling, instruments and matching technique were optimized with a significant effect.
立足油田清洁生产，对修井冲砂工艺、工具和配套技术进行优化，应用后效果显著。
It increased products quality, yield; reduce costs, lessen pollution by a wide margin, to realize clean production by application of film separative technique instead of tradition separative.
应用膜分离技术替代传统分离，提高了产品质量、收率，降低成本，大幅度地减少污染，实现清洁生产。
The technique to produce clean steel and the main technology adopted in the various steps of the production are briefly stated.
阐述了洁净钢生产的技术思路以及各工序中采用的主要工艺技术。
The technique to produce clean steel and the main technology adopted in the various steps of the production are briefly stated.
阐述了洁净钢生产的技术思路以及各工序中采用的主要工艺技术。
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