分析用煤的英文

test coal

• 分析:    analyse
• 用:    40分钟跑完全程 run the c ...
• 煤:    coal

例句与用法

1. Standard practice of preparing coal samples for analysis
   分析用煤样品的制备的标准规程
2. Standard practice for preparing coal samples for microscopical analysis by reflected light
   反射光显微分析用煤样品制备的标准实施规范