短語詞組短語excentricity xctr 偏心度numerieal excentricity 偏心率manipul átor excentricity 離心率控點(diǎn)úchyt excentricity 離心率控點(diǎn)excentricity of drilling pipe 鉆具偏心度;鉆具偏疼度excentricity measuring instrument 偏心度測量儀 返回 excentricity