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铍青铜 píqīngtóng
met. Be-bronze; beryllium bronze (95.5Cu, 2.5 Be)
tech. beryllium bronze
telecom. beryllium copper
铍青铜铍2% ~2.5%,其余铜 píqīngtóng
met. beryllium bronze
铍青 铜
: 2 phrases in 2 subjects
General1
Metallurgy1