倒机: flip倒回证实信号: changeback acknowledgement signal cba倒极开关: pole reversing key倒回用的钢绳: reverse cord倒极器: transition electrode unit倒回说明信号: changeback declaration signal cbd倒极性: reversepolarity倒回疾病: gerd倒级(涡轮机): astern stage倒回: refund; back 让我们把磁带倒回去, 听那首歌。 let's hear the song back
