With information in the armoring workshop, machinery workshop, and experience of production management and technical & quality section during the noviciation, the author, through his technical research, presented respectively from the hatch covers installation , the shaft position, supervisors management and safety management. 说实话,中文本身表述就比较混乱,我只能做到这样了. With information in the armoring workshop, machinery workshop, and experience of production management and technical & quality section during the noviciation, the author, through his technical research, presented respectively from the hatch covers installation , the shaft position, supervisors management and safety management. 说实话,中文本身表述就比较混乱,我只能做到这样了.