Some areas should be kept secure as a failsafe because mustardgas can be very persistent in the environment, he warned.
部分地区必须采用故障保险机制，因为芥子气在环境中可以长久的存留。
2
The understanding of this pathological process is beneficial to the study of mustardgas poisoning and its treatment.
了解此病理过程对研究芥子气中毒和治疗有重要意义。
3
Objective to investigate the remote effects of epidermal growth factor (EGF) and early removal of eschar combined with skin grafting for the treatment of skin lesion produced by mustardgas.