commercial test的用法和樣例：
例句
- Commercial test of separating Baima vanadium-bearing titanomagnetite was perfor-manced.
對白馬釩鈦磁鐵礦進行了選礦工業試驗。 - The pilot plant test has proven that boronate passivant can largely improve the thermal performance of coke.
在工業試驗中充分證明了以硼酸基為主的鈍化劑能夠大幅度提高焦炭的熱性能。
