[计] laser electrophotographic printing

jī guāng diàn zǐ zhào xiàng yìn shuā ㄐㄧ ㄍㄨㄤ ㄉㄧㄢˋ ㄗˇ ㄓㄠˋ ㄒㄧㄤˋ ㄧㄣˋ ㄕㄨㄚ