1. preservative oil and grease 
   防锈油脂
2. process for chlorine and alkali production 
   氯碱生产过程
3. To lubricate with grease. 
   用油润滑，给…上润滑油
4. synthetic lubricating oil and grease 
   合成润滑油脂
5. The alkali concentration or alkaline quality of an alkali-containing substance. 
   碱度，碱性含碱物质中碱的浓度或碱的特性

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• 1. 润滑脂碱
  grease additive 润滑脂添加剂...grease alkali 润滑脂碱...grease analysis 润滑脂分析
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