They plugged in their tape-recorders.

他们给磁带录音机接通了电源。

Cassette recorders cannot rival the sound quality of CDs.

盒式磁带录音机在音质上无法与CD相媲美。

Data recorders also pinpoint mechanical faults rapidly, reducing repair times.

数据记录仪器也能很快查明机械故障，减少维修时间。

Cassette tape recorders are out of date now.

现在，盒式磁带录音机过时了。

Voice recorders were retrofitted into planes already in service.

录音设备安在了正在服役的飞机上。