involution的精選

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用“involution”造句大全，involution造句

用“involution”造句大全，involution造句

2021-12-02
Theutilitymodeldisclosesaninvolutionsuctionpipe.Themiddlepartoftheinvolutionsuctionpipeiswoundtoformaspiralstructure.Wheninfectioncourseislongerthan5days,theinvolutiondegreeissevere.Themechanismofdeve...