例句與造句

1. Technical specifications for the explosion precautions in pulverized coal preparation
   煤粉生產(chǎn)防爆安全技術(shù)規(guī)范
2. Safety regulations for the explosion precautions of bituminous coal injection into blast furnace
   高爐噴吹煙煤系統(tǒng)防爆安全規(guī)程
3. It's difficult to find explosion precaution in a sentence. 用explosion precaution造句挺難的