ordinary grade art paper 普通美术纸
ordinary grade drawn wire 普通级拉制线材
ordinary grade drawn tube 普通级拉伸管
ordinary grade extruded tube 普通级挤压管
ordinary grade drawn bar 普通级拉伸棒材
ordinary grade welded tube 普通级焊接管
grade C ordinary bolt C级普通螺栓
high-grade ordinary mining face 高档普采工作面
N → (in scotland) the formal name for O grade
The difference between C-grade and A-grade managers may very well be the difference between business success or failure. Between preserving the jobs of ordinary workers or losing them.
C 等和 A 等经理之间的差距很可能就是企业成败的区别，很可能就是在保住普通工人的工作或者让他们下岗之间的差异。
The strict requirements for block diameter and grade is difficult to meet when using ordinary blasting methods.
采用普通的爆破方法，难于达到对粒径和级配有严格要求的块度目的。
The results showed the gold recovering performance of the packed float cell is better and the gold grade of concentrates and the gold recovery are higher as compared with the ordinary float cell .
研究结果表明，充填式浮选机浮选性能优于普通浮选机。在相同的浮选条件下， 金精矿品位与金回收率都高于普通浮选机。
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