They are going to renovate the old furniture.他们准备将旧家具整修一番。If it isn't, why do they renovate the watchtower?要不然, 为什么他们要修复了望塔?Third, we worked actively to renovate and upgrade traditional industries.三是积极改造和提升传统工业....
A hydrocracking catalyst with high selectivity to middle distillates was developed.开发了一种具有较高的中油选择性的加氢裂化催化剂.Abstract: Typical failures in domestic fixed bed hydrocracking uni t over the years were summarized.文摘: 总结了我国固定床加...