When the diaphragm of the speaker generates sound, the sound waves which are reflexed from the rear board will be sent out by the reflex pipes.是什么意思_When the diaphragm of the speaker generates sound, the sound waves which are reflexed from the rear board will be sent out by the reflex pipes.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句