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sag curve
compr. 下垂曲线
construct. 挠〔垂〕度曲线
eng.geol. 垂度曲线
hydroel.st. 挠度曲线
tech. 垂直曲线; 弛垂弯曲; 凹形曲线
sag curve: 16 phrases in 6 subjects
Bridge construction1
Chemistry1
Ecology2
Electronics1
Technology10
Textile industry1