proprietary material meaning in Chinese
专利材料
专利品
专卖材料
Examples
- The proprietary material consists of three layers of ballistic felt that encapsulates shrapnel and absorbs its energy by stretching up to 900 percent
他们的专利材料包括三层可以挡子弹的毛毡，能将弹片裹住，并伸张到900 % ，以吸收能量。