[建] conveying of heated fuel oils
shí yóu chǎn pǐn de jiā rè shū sòng ㄕˊ ㄧㄡˊ ㄔㄢˇ ㄆㄧㄣˇ ㄉㄜ˙ ㄐㄧㄚ ㄖㄜˋ ㄕㄨ ㄙㄨㄥˋ