字典網>> 英漢字典>> S開頭詞條>>step refinement program的意思 漢英字典step refinement program中文翻譯：【計】 逐上求精程式字典網相關詞條：stepwise polymerization step-by-step operation stepwise program refinement stepless speed change device step-down transformer step function stepwise program construction stepped aging stephanial stepping switch