单词	指向线
释义	指向线 arrow marking
随便看	distortion level distortion limited operation distortion-limited operation distortion limited region distortion-limited region distortion limits distortion limit value distortion localization distortion loss Distortion marking distortion matrix distortion measure distortion measurement distortion measures distortion measuring distortion measuring bridge distortion measuring equipment distortion-measuring equipment distortion measuring instrument distortion measuring position distortion measuring set distortion meter distortion-meter distortion meter with synchronous oscillator distortion method