@base . a ; . , ; "国际工业激光商情" , "Guójì gōngyè jīguāng shāngqíng" ; ; ; ; ; "Guójì gōngyè jīguāng shāngqíng" , "国际工业激光商情" ; . a , ; "国际工业激光商情" , "Guójì gōngyè jīguāng shāngqíng" . a ; "2663-3043" ; . . "China" . a ; "20240126182236.427589"^^ ; ; . a .