短语词组短語beryllium -containing bronze 鈹青銅beryllium bronze tubing 鈹銅琯beryllium bronze strip 鈹青銅薄帶材low beryllium bronze 低鈹銅beryllium bronze QBe2 鈹青銅QBeberyllium bronze wire 鈹青銅絲beryllium bronze ball 鈹青銅保持架 返回 beryllium bronze