[机] lead sodium thiosulfate, lead soldium hyposulfate

liú dài liú suān qiān nà ㄌㄧㄡˊ ㄉㄞˋ ㄌㄧㄡˊ ㄙㄨㄢ ㄑㄧㄢ ㄋㄚˋ