同根派生 sand blaster相關(guān)詞英漢例句long shelf-life較長(zhǎng)保質(zhì)期This project aims to develop an auto-control unit of a direct-control optimizing system of green sand quality for a sand mixer.本課題的目的在于研制一種用于型砂質(zhì)量直接優(yōu)化控制系統(tǒng)的混砂機(jī)加料自動(dòng)控制單元。sand blaster更多例句