| 单词 |
gray clay treating |
| 释义 |
Gray clay treating Gray clay treating[′grā ′klā ‚trēd·iŋ] (chemical engineering) A fixed-bed, vapor-phase treating process used to polymerize selectively unsaturated gum-forming constituents (diolefins); a fixed bed is used of 30- to 60-mesh fuller's earth. |
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