There is agreement in the medical research community that current Occupational Safety &Health Administration permissible exposure limits fail to protect workers from beryllium.

 
  • 医学研究社团一致认为,职业安全和健康管理部门现在所允许的暴露限制条件,不能够保护工人免受铍的危害。
今日热词
目录 附录 查词历史