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截面惯性矩
avia. second moment of area
bridg.constr. moment of inertia of section; second moment of sectional area
hydroel.st. second moment of area of section
railw. inertia moment of cross section
tech. principal moment of inertia; moment of inertia; moment of inertia of area
截面惯性矩
: 16 phrases in 3 subjects
Bridge construction11
Hydroelectric power stations3
Technology2