... 干式圆网槽：half vat 干式银盐感光纸：dry silver paper 干式网槽成形器：dry vat (former) ...
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This paper describes the experiment of producing ethylene oxide (EO) by using ethylene recovered from catalytic cracking dry gas in the presence of ys silver catalyst.
叙述了在YS型银催化剂作用下，利用催化裂化于气回收的乙烯制备环氧乙烷的实验研究。
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