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钝边 dùn biān
oil root land
railw. root face (焊接)
tech. foot face; land; shoulder; truncated edge
wind. root face
钝边〈焊〉 dùn biān
plast. shoulder
钝边面积 dùn biān
met. root face
钝 边
: 16 phrases in 6 subjects
Automobiles2
Aviation2
Electronics1
Metallurgy1
Oil / petroleum3
Technology7