以上来源于: WordNet
The performances of the corrosion inhibitor were studied by ferrous powder method and dynamic weight-loss method.
铁粉法利用测定腐蚀油样中的铁含量来测定腐蚀速率；
The hydrogenation process has the more advantages on environment protection than iron powder method, and has better quality.
试验数据表明，加氢法比铁粉还原法的产品质量好，且在环保方面有优势。
The micro-plasma spraying gun adopted unique passage and spraying nozzle structure and center axial to be sent the powder method.
设计的微弧等离子喷枪采用了独特的气路结构、喷嘴结构和中心轴向送粉方式；
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