This paper points out that as a traditional food processing implement with unique mechanical performance, the stone roller of North China is rarely noted in ancient works and current history books of science and technology.
指出北方石碾是一种在古籍和今天的科技史资料中均记述甚少而具有独特机械性能的传统粮食加工器具 ,初步分析了它的力学特点和加工特征 ,并提出了进一步分析研究的几点思考。
The results showed that the designed requirement for airtight function of chromium plating could be reached through pulse chromium plating and post-plating diamond rolling.
为了解决一这问题，本文从消除或减少铬层裂纹（治本）和封闭或碾压裂纹（治标）两个方面进行了研究，证明采用脉冲镀铬＋铬层金刚石碾平工艺，可保证铬层的气密性达到设计要求。
Testing and analysis of compactness of roller compacted rockfill;
碾压堆石体压实性能测试与分析
The paper presents the structure,stability,seepage,settlement calculation and the technical requirements of material filling of inclined core wall dam,so as to obtain safety,reliability and optimal design of dam through economic-technical comparison of different rolled earth-rock dam types.
系统介绍了斜墙坝的坝体构造、稳定、渗流、沉降计算和坝料填筑技术要求等,并通过不同碾压土石坝坝型的技术经济比较,尽可能做到安全可靠和设计最优化。
A test of the mineral quality or content of an ore by milling.
矿石碾磨实验通过碾磨来鉴定矿石的矿砂品质或含量的测试
Mehlar crushes the scourgestones into a pile of rubble.
梅拉把这些天灾石碾成一堆碎片。
The machine crunches the rock up so that it can be used for road building
这台机器把岩石碾碎块，以便能用于筑路。
Study and Test on Engineering Properties of Sand-gravel Cushion;
砂砾石碾压垫层的工程性能试验与研究
The machine crushed the rocks into powder.
机器将石块碾成碎末。
The workers made cement by crushing down stone
工人们碾碎石子制水泥。
grindstone for milling or grinding
磨石,用于碾磨或研磨
Stones were ground down by road roller
石头被压路机碾碎。
paved with crushed bluestone; ground glass is used as an abrasive.
用碾碎的青石铺路；碾碎了的玻璃被用作磨料。
filter tube, of crushed and agglolmerated quartz or flint
过滤器管,碾碎和凝集石英或燧石制
A machine that crushes rock or ore.
颚形碎石机一种碾碎岩石或矿石的机器
scrunching along the gravel path.
在碎石路上喀嚓咯嚓地碾压
A mixture of crushed ore and water.
矿浆碾碎的矿石与水的混合物
The huge rock has been crushed into powder
那块巨大的石头已被碾成粉末。
Research and Application of Pebble Foundation Site Roller Compaction Testing
砂卵石地基现场碾压试验研究与应用
broken or pounded into small fragments; used of e.g. ore or stone.
碎成或者碾成小块；用于指矿石或者石头之类。
One of a pair of cylindrical stones used in a mill for grinding grain.
磨石磨坊中碾磨谷物用的一对圆柱形石块之一
Research on Limestone Powder as Roller-Compacted Concrete Additive;
石灰石粉用作水工碾压混凝土掺合料的研究