基本解釋[機(jī)械工程]濕砂心型英漢例句雙語例句Green-sand is easy to prepare by mixing and needs no treatments after formation. It can be poured immediately after core setting.濕型砂混制簡單，成型后不需要任何處理，下芯后可澆注。green sand core更多例句專業(yè)釋義機(jī)械工程濕砂心型