产道出生，从胎粪污染的羊水里出来的新生儿，不需要吸痰。
Vigorous newborns who have been birthed through meconium-stained amniotic fluid do not need airway suctioning.
本文提出了规模化猪场粪污处理的三种模式：还田、无动力-自然处理以及机械化处理。
Three models of pig waste treatment, returning cropland, power-free combining with natural treatment, mechanization treatment, were put forward in this paper.
粪污处理系统由固液分离机、化粪池和沥滤场组成。
The waste management system is comprised of a solid waste separator, septic tank and drain field.
应用推荐