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永久型 yǒngjiǔxíng
met. chilled mould; metal mold (【技】用金属制做的铸型。它可以反复使用许多次,故又称永久型。)
永久型
: 32 phrases in 9 subjects
Automobiles2
Drilling2
Electronics7
General2
Metallurgy8
Oil / petroleum4
Steel production1
Technology4
Textile industry2