[机] Einstein photochemical equivalence law

ài yīn sī tǎn huà dāng liàng dìng lǜ ㄞˋ ㄧㄣ ㄙ ㄊㄢˇ ㄏㄨㄚˋ ㄉㄤ ㄌㄧㄤˋ ㄉㄧㄥˋ lv4