twolinkn.两段线路
twonum.二;两个
two-hybrid assay双杂合(体)试验
two orifice valves双小孔阀
two-tone working双音工作
two-port circuit双端口电路
two or three years两三年
two-pass drawing两道次拉拔
two room two halls两室两厅
two-way crossing二品种杂交, 二元杂交, 二品种杂种, 二元杂种
two referee system两人裁判制
two pulse canceler双脉冲补偿器