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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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更新时间:2026/9/14 7:18:36