Piezoelectric material consists of a large number of ferroelectric grains (crystallites), which contain both piezoelectricity and pyroelectricity.是什么意思_Piezoelectric material consists of a large number of ferroelectric grains (crystallites), which contain both piezoelectricity and pyroelectricity.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句