Using piezoelectric bimorph as actuator,a kind of new electric-pneumatic transfer device was designed based on the theory of opening-closing.是什么意思_Using piezoelectric bimorph as actuator,a kind of new electric-pneumatic transfer device was designed based on the theory of opening-closing.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句