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氟保護渣的成分與熔點的關係進行了研究。 - 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.
建議儘快進行稀土處理方坯低碳鋼專用保護渣的研究開發工作。
