security protection distance

英 美
  • 安全防护距离
  • distance n.距离;路程;远方vt.与...保持距离;把(对手)甩在后面
  • protection n.保护;防卫
  • security n.安全;保证;证券;债券;抵押;防护措施
    1. 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。