involution造句
Theutilitymodeldisclosesaninvolutionsuctionpipe.Themiddlepartoftheinvolutionsuctionpipeiswoundtoformaspiralstructure.Wheninfectioncourseislongerthan5days,theinvolutiondegreeissevere.Themechanismofdeve...
Theutilitymodeldisclosesaninvolutionsuctionpipe.Themiddlepartoftheinvolutionsuctionpipeiswoundtoformaspiralstructure.Wheninfectioncourseislongerthan5days,theinvolutiondegreeissevere.Themechanismofdeve...