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double-convex [ˌdʌblkɒn'vεks, -kɑːn'-]
auto. 两面凸的
space 双凸形的
double convex
earth.sc. 双凸面
tech. 双凸; 两面凸
double-convex
: 5 phrases in 3 subjects
Bridge construction1
Construction1
Technology3