基本解釋乾砂型英漢例句雙語(yǔ)例句Diseussion about the course during molding and easting of negative pressure dry-sand EPC has been expounded.本文針對(duì)負(fù)壓消失模鑄造的造型與澆注過(guò)程中存在的問(wèn)題進(jìn)行了研究。dry sand mold更多例句專(zhuān)業(yè)釋義機(jī)械工程乾砂模法