斜线型异型纸盒
diagonal irregular foldable carton
高精度销孔孔系
Pin hole series with high precision
∧-型异弗乐酮衍生物
Shaped iso-phoronederivative
20(S)-人参皂苷Rg2和20(R)-人参皂苷Rg2构型异构体
20(S) - 20(R) - ginsenoside Rg2 isomer
L型钢骨混凝土异型柱
L-shape steel reinforced concrete columns
PVC门窗异型材
PVC door and window profile material