waste product rate meaning in English

废品率

Adopt double work position unwinding without stoppage . this can give full play to production efficiency of equipment and decrease the waste product rate of equipment greatly
采用双工位不停机放卷，可以充分发挥设备的生产效率，可以大幅度降低设备的废品率。
But in automobile body cover ramming process the technical difficulty is the ramming craft formulation and the mold designs . reasonable ramming craft and high grade mold , not only can improve the pressing part quality and productivity , also reduces the waste product rate
而在车身覆盖件的冲压过程中其技术难点是冲压工艺的制定和模具设计,合理的冲压工艺及高质量的模具,不但能提高冲压件质量,还能提高生产率,降低废品率。