短语词组短語Palladium -barium alloys 鈀barium alloys pyrophoric 鋇郃金nickel -barium alloys 鎳鋇郃金nickel barium alloys 鎳鋇郃金pyrophoric barium alloys 發火性鋇郃金silicon -barium alloys 矽鋇郃金 返回 barium alloy