walnut parting的意思|示意
美 / /
英 / /
胡桃木离模粉
walnut parting相关例句
In this paper, the new technique to prepare high surface area activated carbon from walnut parting using chemical activation with alkali hydroxides were introduced.
本文报道了用石油焦、核桃壳为原料，以氢氧化钾为活化剂制备高表积活性碳的新工艺。