字典網>> 英漢字典>> R開頭詞條>>rate of penetration的意思 漢英字典rate of penetration中文翻譯：【經】 鑽井速度, 機械鑽速 rate of penetration相關詞條：rated burden rate of combustion rated voltage rate of work rate of return on sales rate of respiration rate of profit rated operational voltage rate of unemployment rate cutting