twogridadj.双栅极的twonum.二；两个two-sided printing双面打印two-seated version双座型two channel resolver双通道旋转变压器two voltmeter method双伏特计法two factor decisions二因子判决Two - eccentricity双偏心机构two-phase additive两相添加剂two-phase material两相介质two-flow condenser双流程冷凝器two-way adjustable双向可调