mould powder的用法和樣例：
例句
- In this paper, the relationship between component and melting point of fluorine free mould fluxes was studied by means of regressive orthogonal design.
論文利用二次正交回歸的設計方法對無(wú)氟保護渣的成分與熔點(diǎn)的關(guān)系進(jìn)行了研究。 - It is recommended that research and development work about the special mould flux for the rare earth treated low carbon steel billets be carried out as soon as possible.
建議盡快進(jìn)行稀土處理方坯低碳鋼專(zhuān)用保護渣的研究開(kāi)發(fā)工作。
