短語詞組短語vertical disease transmission 垂直傳播vertical angle transmission 高度角傳動vertical transmission rod 垂直傳動桿mother infant vertical transmission 母嬰垂直傳播its vertical transmission 垂直傳播Vertical Transmission of Poverty 貧睏縱曏傳遞hiv vertical transmission hiv 母嬰傳播vertical transmission route 垂直傳播途逕vertical -incidence transmission 垂直入射傳輸 返回 vertical transmission