automatic sanding
单词发音：英音 
美音
自动撒沙
sanding 砂纸打磨
automatic 自动的
semi-automatic adj. 半自动的
partial-automatic 半自动的
interval-automatic 间歇自动
non-automatic adj. 非自动的
sanding vehicle 撒沙车
sanding apparatus 砂打机具
sanding equipment 撒砂设备
dry sanding 干法珩磨[研磨]
sanding agent 研磨剂
drum sanding 辊筒磨光
sanding sealer 掺砂涂料
sanding electrovalve 撒沙电阀
belt sanding 砂带打磨
In order to obtain the sand sample of good uniformity and high repeatability, a set of automatic sanding equipment is developed. A series of tests are conducted to study the relative density on the influence of sand flow rate and drop height with Fujian standard sand.
为获得均匀性好、可重复性高的砂样，本文在以往研究成果的基础上，自主开发研制了一套自动撒砂设备，并针对福建标准砂进行了多组装样对比试验。
