[建] copper oxide and zinc accumulator

yǎng huà tóng hé xīn xù diàn chí ㄧㄤˇ ㄏㄨㄚˋ ㄊㄨㄥˊ ㄏㄜˊ ㄒㄧㄣ ㄒㄩˋ ㄉㄧㄢˋ ㄔˊ