短語(yǔ)詞組短語(yǔ)knowledge e of material 材料學(xué)Knowledge of Metal material 金屬材料相關(guān)知識(shí)Knowledge of material and processes 材料和工藝的知識(shí)knowledge of Tooling & Material 具有工裝冶具的知識(shí) 返回 knowledge of material