health protection

• 卫生事业,劳动卫生

health protection的用法和样例：

例句

1. Health undertakings have been developing steadily.
   卫生事业稳步发展。
2. Public health developed continuously.
   卫生事业不断发展。
3. The discharge of uncontrollable ammonia was determined by the antiinferenee of ground consistency.A practical and feasible health protection zone was determined.
   采用地面浓度反推法，计算出氨的无组织排放量，从而确定出可行的大型氮肥厂卫生防护距离。