英語字典

press mark

P 开头单词

同根派生

     

英汉例句

  • Crack nucleation and propagation in wear-resistant bainite ductile cast iron were investigated by press trace method and SEM.
    採用壓痕法及掃描電鏡觀察，研究了抗磨貝氏躰球鉄中裂紋的形核與擴展。