常見例句

雙語例句

• This method frequently caused the layer-shaped cracks in the center of the forgings, and also wasted a large number of the raw materials and working hours.
  這種方法不僅容易在鍛件心部產(chǎn)生層狀裂紋，而且浪費(fèi)了大量原材料和加工工時。
返回 working-hours method