单词floatstone
na.: (磨砖用的)磨石；轻石
网络: 浮石；散石硅泡；散石矽泡
(磨砖用的)磨石;轻石,浮石
Still have the sea floatstone in Chinese traditional medicine, like thick emery wheel, have the effect of make expectoration easy.
还有中药中的海浮石，像粗砂轮一样，有祛痰的作用。
Is floatstone dry those who use? Where to have sell?
浮石是干嘛用的？哪里有卖的？。
Research and Development on Swing Selector of Floatstone
摆动式浮石分选机的研究与开发
Holing Construction in Floatstone and Scar Stratum
漂石和孤石地层的成孔施工