短語詞組短語statically y determinate reaction 靜定反力statically y determinate 靜定的statically y determinate system 靜定系statically y determinate beam 靜定梁statically y determinate structure 靜定結(jié)搆statically determinate system 靜定系;靜定系統(tǒng)Reaction statically determinate 靜定反力Beam statically determinate 靜定梁statically determinate truss structure 超靜定桁架結(jié)搆 返回 statically determinate