扇尾式插棒侍线键 扇尾式插棒侍线键的英文 英语翻译 fan-tail type plunger line switch 拓展翻译 软扇面soft sector软扇面处理soft sector treatment软扇区soft sector软扇区记录格式soft-sectored format扇fan; learblowerfan扇贝scallop扇出fan-out; out-fan扇出电路fan-out circuit扇出线fan-out line扇骨木Photinia扇河豚属Triodon扇控制字fan control word扇面sectorsector扇面保持sector holding扇面标记道sector marking track扇面磁盘sector disk扇区section扇区缓冲器sector buffer扇区交叉因子sector interleaving扇区孔sector hole