3月下旬，第81集团军某合成旅工化分队开展全要素作战行动演练，锤炼工化分队遂行作战保障任务的能力。
Soldiers assigned to an engineering and chemical defense element of a combined arms brigade under the 81st Group Army keep vigilance around an armoredvehicle during the tactical training in late March, 2021. (eng.chinamil.com.cn/Photo by Zhang Yuhao)
