Based on the working principle,the piezoelectric pump with active valve was designed and fabricated which used the piezoelectric vibrators as the prime mover and the inlet and outlet valves.是什么意思_Based on the working principle,the piezoelectric pump with active valve was designed and fabricated which used the piezoelectric vibrators as the prime mover and the inlet and outlet valves.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句