单词	breast timber
释义	breast timber 腰梁
随便看	bifilar electrom agnetic oscillograph bifilar electrometer bifilar eye-piece bifilar galvanometer bifilargravimeter bifilar gravimeter bifilar helix bifilar helix biperiodic electrostatic focusing bifilar helix slow-wave circuit bifilar inductor Bifolchi Bifolco bifunctional neurons bifunctional oligomer bifunctional oxygen electrode bi-functional oxygen electrode bi-functional oxygen electrodes bifunctional plasmid bifunctional polymer bifilarly bifilar micrometer bifilar mode bifilar oscillogram bifilar oscillograph bifilar pendulum