grindstones

caught in the twin grindstones of those pressures, canada's publicly funded health-care system might not survive.

在奇迹和困难的双重压力下，加拿大的免费公共健保系统或许将不复存在。

they also found ochre, bone, charcoal, grindstones and hammer stones.

他们还找到了赭石，骨头，木炭，磨石和石锤。

The markings on the recovered tools suggest that they were used like grindstones and pestles for processing grains.

从出土工具上的标记可以看出，当时它们被当做磨石或是杵来使用以加工食物。

The water wheels provided the power to turn the grindstones of flour mills and run other machinery.

水车提供动力，转动面粉厂的磨石和驱动其他机械。

they came only to work, collecting their hammer stones and grindstones nearby and the chunks of ocher from perhaps as far away as 12 miles.

这些工匠们只是来洞穴工作，在附近收集他们的锤石和磨石以及从可能远至12英里处采集大块的赭石。

If students keep their noses to the grindstones, they won't fail the course.

如果学生一刻不停地拼命干, 他们就不会不及格.

tabular layout of article characteristics - part 129: bonded abrasive segments, honing tools, abrasive bars and grindstones

制品特性图表.第129部分：粘合扇形研磨块、膛磨工具、砂棒和砂轮

Composite Electroplating Manufacture of Diamond Wheel for Grinding Magnet Shoe with Low Sagitta a mixture of emery dust and a binder; can be molded into grindstones.

复合电镀制备磨低拱高磁瓦金刚石砂轮金刚砂土和粘合剂的混合物，能铸成旋转磨石。

the greatest cost variable is wear on the plates and grindstones, which machinists are constantly refacing.

最大的成本变数是重盘和砂轮的耗损，技工必须经常加以修整。

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