查询词典 switch in

reversing switch lever：回动开关柄

reversing switch contact 换接开关触点 | reversing switch lever 回动开关柄 | rewind switch 反绕开关

SCS Safety Catch Switch：安全钳发动开关

MHS Man Hole Switch 救生窗开关 | SCS Safety Catch Switch 安全钳发动开关 | GS Gate Switch 轿门安全开关

switch, seesaw：反相式开关

switch, rotary 转动式开关 | switch, seesaw 反相式开关 | switch, slide 滑动式开关

switch set terminal：开关组接线柱

switch service input;开关作用[维护]输入 | switch set terminal;开关组接线柱 | switch setting;开关调整

single-pole double-throw switch：单刀双投开关

single-pole distribution switch 单极分路开关 | single-pole double throw switch 单刀双投开关 | single-pole enclosed fused switch 单极保护式负荷开关

single-pole double-throw switch：单刀双投开关; 单刀双掷开关

single-pole distribution switch 单极分路开关 | single-pole double throw switch 单刀双投开关; 单刀双掷开关 | single-pole enclosed fused switch 单极保护式负荷开关

single-ploe single-throw switch：单刀单掷开关

single-phase protective branch switch 单相保护式分路开关 | single-ploe single-throw switch 单刀单掷开关 | single-pole distribution switch 单极分路开关

double pole single-throw switch：双极单投开关

double-pole double-throw switch 双极双投开关 | double-pole single-throw switch 双极单投开关 | double-pole switch 双极开关

three pole single-throw switch：三刀单投开关

three pole knife switch 三极闸刀开关 | three pole single-throw switch 三刀单投开关 | three pole switch 三刀开关

three pole single-throw switch：三刀单掷开关

three-pole knife switch 三极闸刀开关 | three-pole single-throw switch 三刀单掷开关 | three-pole switch 三刀开关

saltshaker：食盐瓶

食血动物sanguivorous | 食盐瓶saltshaker | 食言renegerenegue

tip one's hand：摊牌,表明立场

get/ gain the upper hand 占上风 | tip one's hand 摊牌,表明立场 | bite the hand that feeds one 恩将仇报