n.致動(dòng)器；加載器；伺服千斤頂
Piezo Actuators are key components of piezoelectric fuel injection systems in diesel and gasoline engines. 壓電致動(dòng)器是在柴油和汽油發(fā)動(dòng)機(jī)中壓電燃料注入系統(tǒng)的重要元件。
