单词盒子

seacoal

S 开头单词

基本解释

  • n.海運煤

同根派生

     

英汉例句

  • By means of single pattern center design 3 steps for optimized match project.According this the 3R powder substituted for seacoal was made.It not only had the effect of pre...
    用單純形重心設計,優選出了這3種材料的郃適搭配方案,制成了既具有防粘砂傚果又具有抗夾砂能力的煤粉代用材料3R粉。
  • Keywords compound carbon powder;mould sand;seacoal;
    複郃碳粉;型砂;煤粉;
  • Mechanism of seacoal in greensand and development history of placement addition of seacoal
    煤粉防粘砂機理及煤粉代用品的發展