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open-delta
gen. V-形连接; 开口三角形连接
open delta
el. 开口三角形
met. 开口三角形接线; V形接线
space 开口三角形连接,V形
tech. 开口三角形 (连接)
open-delta: 16 phrases in 9 subjects
Aviation2
Earth sciences1
Electric machinery2
Electronics2
Hydroelectric power stations1
Metallurgy2
Rail transport2
Technology3
Telecommunications1