?漂粉机

... 工段 1.(指建筑等施工组织 ) a section of a construction project; area of a construction site2.(车间内的基层生产组织) workshop section; work section◇工段长 workshop section chief; chief of a section 漂粉机 bleaching powder machine 漂粉精 bleaching powder concentrate; high test bleaching powder; high test hypochrite ...