cassetten.盒式磁带；暗盒cassette megnetic tape[计] 卡型盒式磁带cassette type recorder盒式录音机cassette tape recorder盒式磁带录音机cassette video recorder盒式录像机cassette size indicator纸盒大小指示器cassette tape recorders盒式磁带录音机cassetteless spotfilmer无暗盒点片摄影装置cassette radio recorder卡式收录机cassette loop projector循环式幻灯片条放映机cassette based transfer盒式传送