coke-sampling and preparation of samples造句

例句与造句

1. Coke - sampling and preparation of samples
   焦炭试样的采取和制备
2. Coke - sampling and preparation of samples
   焦炭试样的采取和制备
3. It's difficult to find coke-sampling and preparation of samples in a sentence. 用coke-sampling and preparation of samples造句挺难的