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冲孔成形模
avia. piece and form die; form die press (一种有冲孔冲头和成形模块的模具,用来将预先切割好的毛坯成形为产品零件)
〔支〕冲孔成形模
avia. form die press
冲孔成形模: 3 phrases in 1 subject
Aviation3