常見例句雙語例句Hongwei thermal power plant realized the ash pulp pump's automatic control with PLC and the frequency conversion, obtained the remarkable economic efficiency.宏偉熱電廠採用PLC和變頻器實現(xiàn)灰渣泵的自動控制，取得了顯著的經(jīng)濟傚益。 返回 economic conversion efficiency