degradations的知识精选

“degradations”可以造什么句,degradations造句
Chemicaldegradationsarelaboriousandtime-consuming.Theresearchesofthethermalandphotodegradationsofaramidfibersaresystematicallydiscussed.Thedegradationsofdeviceoutputconductance,subthresholdconductiona...
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