铍青铜QBe0.6-2.5 QBe0.4-1.8
铜合金QMn5 QZr0.2..
铍青铜 QBe0.3-1.5..
铍青铜QBe0.6-2.5 ..
QBe1.9 QBe1.9-..
铜合金QAl10-4-4 Q..
铜合金QSn8-0.3 QA..