English translation for "material at first hand"

第一手材料
第一手资料

Similar Words：

"material appropriation" English translation, "material appropriation sheet" English translation, "material arm" English translation, "material asset" English translation, "material assistance" English translation, "material at site" English translation, "material attach optio" English translation, "material attach options" English translation, "material audit" English translation, "material availability" English translation