diffusion column造句

例句与造句

1. This can be done with a thermal diffusion column.
2. Plans called for the installation of 2, 142 diffusion columns arranged in 21 racks.
3. His first major paper was on the granite of Leinster, where he conducted a detailed chemical analysis of the rock and invented the diffusion column to assist in this.
4. It's difficult to find diffusion column in a sentence. 用diffusion column造句挺难的