destructive distillation造句怎么写

4、 The destructive distillation of bituminous coal, done in the absence of air in order to obtain coke and other fractions having a greater percentage of carbon than the original material.

2、Peat tar has similar properties to the tar derived from the destructive distillation of wood.

1、Made by the destructive distillation of wood.

3、"After destructive distillation, coal leaves a solid residue, coke, while, coal-tar and pitch are collected as a distillate, and coal-gas is collected in gasometer"