在线龙虎数据智能分析软件简介：If there are one hundred craftsmen, in addition to the original manpower of the firearms factory, only twenty more people will be needed. If there are two hundred craftsmen, thirty people will be needed. Liu Ruoyu answered.
If there are one hundred craftsmen, in addition to the original manpower of the firearms factory, only twenty more people will be needed. If there are two hundred craftsmen, thirty people will be needed. Liu Ruoyu answered.
