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1. This material is used in the production of tungsten trifluoride.
这种材料用于生产钨三氟化物。
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2. The tungsten trifluoride was used as a catalyst in the chemical process.
钨三氟化物用作化学过程中的催化剂。
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3. Tungsten trifluoride is a powerful oxidizing agent that can be used to remove rust from metal surfaces.
钨三氟化物是一种强氧化剂,可以用来去除金属表面的锈蚀。