Twohien.图伊
twonum.二;两个
two sided unit双边器件
two track tape二道带
two-gang saw双排锯
two bin system双接收制,双箱制,分存控制法
two-ash soil二灰土
two way spiral双向螺旋线
Two-Impactor双冲击器
two-base bit二垒打
Two-roadways双车道
two speed gear二档变速器