胎儿胎盘循环
fetoplacental circulation
10 min B超胎儿生物物理评分
Biology-physics evaluation through Ten Minitus B ultrasound
产时胎儿手术
Intrapartum fetal operation
超声波估价胎儿体重及成熟
ultrasonic estimation of fetal weight and maturity
超声胎儿心搏检测仪
ultrasonic fetal heart beat detector
超声胎儿心搏探测器
ultrasonic fetal beat detector
超细轮胎胎面胶粉
ultra -fine tyre rubber powder