单词	noise criteria
释义	noise criteria 噪声标准值
随便看	relay station satellite relay-station satellite relay ste relay stick relay storage relay story relay supplied with energizing current relay supply-hose relay switch relay switchboard relay switching circuit relay switching control relay synthesis relay system relay system, active relay system interlocking relay system structure relay take-off judging relay tank relay-tank truck relay task relay type automatic telephone switchboa Relay type automatic telephone switchboard relay type echo suppressor relay type follow-up steering apparatus