词汇	parallel gears
释义	parallel gears 平行齿轮
随便看	Fetal-Placental Circulation Fetal-Placental Circulations fetal placental hemorrhage fetal-placental hemorrhage fetal placental maternal interrelation fetal placental-maternal interrelation fetal-placental unit fetal placenta,placenta foetalis Fetal porcine fetal position fetal positions fetal posture fetal presentation Fetal Presentation,Breech Fetal Presentations Fetal Presentations,Breech Fetal Proteins Fetal provisional adrenal cortex fetal pulmonary fluid Fetal pulmonary maturity Fetal pulse oximetry fetal pulse oxymetry Fetal pupillary membrane Fetal pyelectasis fetal sex determination