单词	轨框
释义	轨框track skeleton轨框track panel轨框track span
随便看	secondary poverty secondary power [secondary] power control operation of a generating set secondary pressure of reducing valve secondary pressure pulse secondary pressure standard secondary prevention secondary principal stress secondary process secondary processes secondary processing secondary processing sequence secondary-process thinking secondary producer secondary product secondary production secondary production resource secondary productivity secondary product of weathering secondary program secondary proof secondary propyl alcohol secondary protection barrier secondary protection tube secondary protein structure