私密直播全婐app免费大渔直播,国产av成人无码免费视频,男女同房做爰全过程高潮,国产精品自产拍在线观看

Current Location :> Home > News > Text
祝賀吳芳同學的論文被Polymer接收

論文題目: Synthesis and characterization of segmented poly(butylene succinate) urethane ionenes containing secondary amine cation

全文鏈接: http://www.sciencedirect.com/science/article/pii/S0032386114004479