二: two位置: seat; place; location; site继电器: electric relay; relay位置继电器: position relay多位置继电器: multiposition relay三位置继电器: three position relay; three-position relay合闸位置继电器: close position relay平置继电器: horizontal relay; horizontal type relay非偏置继电器: no bias relay二位数字全继电器制: two digit relay system交流二元二位继电器: ac two element two position relay二位置: two position; two-position两位置极化继电器: bistable polarized指示位置的继电器: relay for position indication大第二位置: grande seconde第二位置: deuxime二位置电键: two position key二位置控制: two-position control继电器: [电工] electric relay; relay第二位置回复: second site reversion第二位置羚跃: cabriole la seconde第二位置轴转: pirouette la seconde二位置动作型: two position action type球场第二位置: secondary pos继电器闸, 继电器快门: relay shutter