designated sieve size是什么意思

用法例句

Screen length,incline angle,and screen-aperture are the most important screen pa-rameters,which directly relate to the capacity and efficiency of the screen.

筛面长度、倾角和筛孔孔径是最重要的筛面参数,与筛分机的处理能力和筛分效率有着直接的关系。