The effects of structure of the coils and taper of the amplifier on the green density and sintered density of ceramic powder PZT were analyzed.是什么意思_The effects of structure of the coils and taper of the amplifier on the green density and sintered density of ceramic powder PZT were analyzed.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句