短语词组短语hit -on-the-fly printer 链条式打印机;击中非行印刷器hit on the fly printer 飞唤打印机hit on -the-fly printer 飞击式打印机on -the-fly printer 屏幕小键盘;飞行击打式打印机;邻近备用设备 返回 on the fly printer