Usage:Titanium is an important strategic materials, used in producing high-speed plane, submarine and high temperature corrosion-resistent chemical equipments.

 
  • 用途:钛是一种重要的战略物资,是制造高速飞机、潜艇和高温耐腐蚀化工设备的关键材料。
今日热词
目录 附录 查词历史