1)fineness of sand,砂粒度2)silicon sand size,硅砂粒度3)size of Al_2O_3,喷砂粒度4)core sand grain size,芯砂粒度5)Quartz sand size,石英砂粒度6)mixing proportion of magnesium sand,镁砂粒度配比7)formation median grain size,地层砂粒度中值8)median formation sand grain size,地层砂粒度中值9)gravel to sand size ratio,砾石-地层砂粒度比10)median pack-to-formaton grainsize ratio,充填砾石与地层砂粒度中值比
用法例句
This article discussed the upper and lower limit of the size of silicon sand as well as the influence of the content of fine-grained silicon on the glass melt and the manufacturing process,according to which the best silicon sand size needed in glass production chosen.
