The primary use was elevating water for agriculture, but they were also commonly used to turn millstones for grinding rice and wheat.
最开始主要是应用于农业灌溉，后来渐渐的应用于带动磨石碾米和小麦。
A coarse hard sandstone used for making grindstones and millstones.
一种用来做磨石或石磨的粗而硬的砂石
buhrstonealsoburrstone: La tough, silicified limestone formerly used to make millstones.
一种坚硬的，硅化石灰石，以前用来制作磨石。
Millstones must be concrete, specific, measurable events, defined with knife-edge sharpness.
Millstones必须是具体的，具体的，可衡量的事件，定义刀口锐利。
The tools introduced include drill, millstones, reamer, grinding head, grinding wheel, grinding shaft.
主要介绍的工具有：钻咀（头）、磨盘、铰刀、磨头、磨轮、磨轴。
They aligned themselves with one side, or got ground between millstones.
他们必须与一方结盟，或在夹缝中求生。
Millstones though they are, the two firms remain critical to the economy.
解决两房问题固然具有里程碑的意义，两房对经济仍然有关键性作用。
Assiduous donkeys pull around millstones of gains, gains, gains.
辛勤的驴子拉着磨盘，那磨盘是索取索取索取
Millstones - The mutual converse of human society.
磨石-社会上人与人之间彼此的交流。
Casting Process for Heavy Gear Ring of Raw Material Millstones Used for Cement Plant
水泥厂原料磨大齿圈铸造技术
Application of Wear- resisting Ductile Iron in Pulp Millstones
耐磨球铁在纸浆磨盘上的应用
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