短語(yǔ)詞組短語(yǔ)Palladium -barium alloys 鈀barium alloys pyrophoric 鋇合金nickel -barium alloys 鎳鋇合金nickel barium alloys 鎳鋇合金pyrophoric barium alloys 發(fā)火性鋇合金silicon -barium alloys 硅鋇合金 返回 barium alloy