查询词典 commutating pole

pole reverser：换极器,换极开关

pole pruning saw 长杆修树枝锯 | pole reverser 换极器,换极开关 | pole ring 磁极环

pole shader：极帽

pole piece 极靴 | pole shader 极帽 | pole-changing 变换极性的

pole shutoff：关闭杆

pole man 云梯操纵手 | pole shutoff 关闭杆 | pole top transformer 杆顶变压器

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

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

pole of the equator：赤极

黄极 pole of the ecliptic | 赤极 pole of the equator | 北极星 pole star

北极;the South Pole,南极：the North Pole

Notes on the text 课文注释 | 1 the North Pole,北极;the South Pole,南极. | 2 a great many photographs,大量照片.

I slipped：我说溜了嘴

It just came up.说溜了嘴 | I slipped!我说溜了嘴 | My alarm (clock) didn't go off.我的闹钟没响

Perform CPR：(做心肺复苏急救)(就是传说中的人工呼吸?想尝试一下,谁让我尝试一下,征女性)

11. Sharpen a knife(磨刀)(小时候干过) | 12. Perform CPR(做心肺复苏急救)(就是传说中的人工呼吸?想尝试一下,谁让我尝试一下,征女性) | 14. Maneuver a car out of a skid(操控打滑的汽车)(没有车)