[计] field technical support center

xiàn chǎng jì shù hòu yuán zhōng xīn ㄒㄧㄢˋ ㄔㄤˇ ㄐㄧˋ ㄕㄨˋ ㄏㄡˋ ㄩㄢˊ ㄓㄨㄥ ㄒㄧㄣ