常见例句Perco catalytic disulphurization process 汽油催化脫硫的培柯過程Perco cycloversion catalytic reforming 培柯循環轉化的催化重整Perco HF alkylation 培柯氟化氫烷基化過程Perco copper sweetening 培柯銅鹽脫硫reforming Perco process 貝柯催化重整法 返回 Perco