资料来源 : pyDict

继电保护

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Relay \Re*lay"\ (r?-l?"), v. t. [imp. & p. p. {Relaid} (-l?d);
   p. pr. & vb. n. {Relaying}.] [Pref. re- + lay, v.]
   To lay again; to lay a second time; as, to relay a pavement.