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to phrases
modulus of section
bridg.constr. 断面模量
eng.geol. 截面模量
hydroel.st. 截面模数; 断面模数
met. 剖面系数; 截面系数
tech. 剖面模量; 剖面模数; 断面系数
modulus of section: 7 phrases in 4 subjects
Bridge construction1
Nautical2
Rail transport1
Technology3