[计] field reliability test

xiàn chǎng kě kào xìng shì yàn ㄒㄧㄢˋ ㄔㄤˇ ㄎㄜˇ ㄎㄠˋ ㄒㄧㄥˋ ㄕˋ ㄧㄢˋ