单词	ringing margin
释义	ringing margin 振铃边际
随便看	depth of needling depth of negative feed back depth of nesting function depth of nick depth of night depth of nitration depth of nitrided layer depth of no motion depth of normal section depth of object space depth of offensive operation depth of origin depth of overburden depth of page depth of parabola depth of parallelism depth of penertration depth of penetration depth of penetrationof electromagnetic wave depth of piston depth of place covering layer depth of planetary boundary layer depth of planting depth of plastering depth of plastrting