The effect of liner material quality on the impact force of grinding media is studied by the electrical measurement method and with a selfmade simulation measurement device. 利用自制的模拟测定装置，采用电测法研究了衬板材质对磨矿介质冲击力的影响。
An experimental method for preparing respirable dust filter samples using a selfmade standard dust generator was introduced. 介绍了自制的标准呼吸性粉尘发生装置制备含石英呼吸性粉尘滤膜样品的实验方法。
美
[self'meɪd]
