semi-automatic◇半自动步枪 semi-automatic rifle; 半自动车床 semi-automatic lathe; 半自动传动装置 semiautomatic drive; 半自动电话系统 [讯] semiautomatic telephone system; 半自动交换台 automanual exchange半自动系统, 半自动式: automanual system半自动编码: semiautomatic coding半自动表: semi-automatic watch半自动步枪: self-loaded rifle; self-loader; semi-automatic rifle半自动操纵: semiautomatic control下载手机词典可随时随地查词查翻译