seacoal

常見例句

• 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(yōu)選出了這3種材料的合適搭配方案,制成了既具有防粘砂效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;
  復合碳粉;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(fā)展
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