基本解釋[動力與電氣工程]繼電器銜鐵觸點英漢例句雙語例句Relay which uses the electromagnetic field of a coil to attract an armature and close the contact points.利用吸引線圈產(chǎn)生磁場，吸引銜鐵并閉合觸點。relay armature contact更多例句專業(yè)釋義動力與電氣工程繼電器銜鐵觸點