短語(yǔ)詞組短語(yǔ)bidirectional energy flow 能量雙向流動(dòng)bidirectional blood flow 雙向血流bidirectional coolant flow 雙向冷卻劑流Bidirectional Signal Flow 雙向信號(hào)流向Coupled BiDirectional Flow 雙向耦合擴(kuò)散bidirectional flow line 雙向流程bidirectional flow detail 雙向流程bidirectional tubular axial flow pump 雙向貫流泵flow bidirectional coolant 雙向冷卻劑流 返回 bidirectional flow