词汇	pitch spread
释义	pitch spread 节距张度
随便看	annular sub-aperture annular subapertures annular subaperture stitching annular subuni annular subunit annular surface Annular Suspension and PointingSystem annular synechia annular syphilid annular syphilide Annular syphilide annular tank annular tank experiment Annular tank process Annular tapered planetary annular tapered roller bearing Annular Tear Annular tearing annular teflon still annular termination annular thermokeratoplasty annular thickening annular thin-wall part annular threaded nail annular thrombus