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锡铅60-40 焊料
met. tin-lead 60-40 solder
锡铅焊料
met. tin-lead solder
锡铅各半的焊料
tech. half-and-half solder
锡 铅60-40 焊 料
: 21 phrases in 7 subjects
Construction1
Electronics1
General2
Metallurgy7
Oil / petroleum1
Steel production1
Technology8