red iron oxide in powder

例句：

1. 1. Thered iron oxide powder is used as a pigment in the paint industry.
   这种红氧化铁粉末被用作油漆工业的颜料。
2. 2.The red iron oxide powder was mixed with water to form a paste.
   这种红氧化铁粉末被与水混合形成糊状物。
3. 3. The red iron oxide powder is widely used in the production of ceramics and glass.
   这种红氧化铁粉末在陶瓷和玻璃的生产中被广泛使用。