单词	fulcrum axis
释义	fulcrum axis 支点轴
随便看	background computer background concentration background condensation background condition background conductivity background contamination background control background-corrected background correction background count background counting background counting rate background counts background cross-section back ground current background current background data background data terminal background density background determination background diabetic retinopathy background discrimination background display image background document background doping 杵臼交杶杷杷1 杷2 杷罗剔抉杸杹杺杻综计综述绽绽开绽放绽线绽裂绽露绾绾毂