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铅青铜
archit. leaded bronze
avia. Allen's metal
compr. Kelmet bronze
met. lead bronze; tin-free bronze (65~ 70Cu,35~30Pb)
space Allen's metal (含少量锡)
铅青铜铜 55%,铅 40%,锡 5%
gen. Allens metal
铅 青铜: 45 phrases in 5 subjects
Automobiles3
Construction3
General3
Metallurgy22
Technology14