[计] electron beam vapor deposition method
diàn zǐ shù zhēng fā diàn jī fǎ ㄉㄧㄢˋ ㄗˇ ㄕㄨˋ ㄓㄥ ㄈㄚ ㄉㄧㄢˋ ㄐㄧ ㄈㄚˇ