基本解釋[機(jī)] 暗冒口英漢例句雙語例句By comparison of five kinds of riser, the paper recomends the casting process design of side-blind riser which can assure the casting quality and reduce the casting cost.比較五種冒口工藝方案，採用邊暗冒口工藝生産球鉄件轉(zhuǎn)動環(huán)，提高了鑄件質(zhì)量和經(jīng)濟(jì)傚益。blind riser更多例句詞組短語短語riser blind 暗冒口blind riser更多詞組專業(yè)釋義機(jī)械工程暗冒口