查询词典 magnetic pole

double-pole-double-throw switch：双刀双投开关

double-pole cut-out 双极断路器 | double-pole double-throw switch 双刀双投开关 | double-pole double-throw 双刀双投(开关

pole of inaccessibility：冰极(位于

pole mast 杆桅 | pole of inaccessibility 冰极(位于83.5°N | pole of magnet 磁铁极

pole of inaccessibility：難近冰極

pole 極 | pole of inaccessibility 難近冰極 | pole-star recorder 北極星記雲器

single-pole knife switch：单极闸刀开关

single-pole enclosed fused switch 单极保护式负荷开关 | single-pole knife switch 单极闸刀开关 | single-pole receiver 单极受话器

single-pole mercury switch：单极水银开关

single-pole knife switch 单极闸刀开关 | single-pole mercury switch 单极水银开关 | single-pole single throw switch 单极单投开关

the North Pole：北极;the South Pole,南极

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.

pole oil switch：杆上油浸线路开关

pole of rotation 旋转极,自转极 | pole oil switch 杆上油浸线路开关 | pole orbit 极轨道

periodically pole：周期极化

增长极:the pole of growth | 周期极化:periodically pole | 抽油杆偏磨:pole wear

pole bean：豇豆

pole 极 | pole bean 豇豆 | pole nucleus 极核

pole of a function：函数的极

pole 极 | pole of a function 函数的极 | pole of resolvent 预解式的极

electrolytic capacitor paper：电解电容器纸

electrolytic paper 电解纸 | electrolytic capacitor paper 电解电容器纸 | electrolytic recording paper 电解记录纸

sub-humid tropics：湿副热带; 湿亚热带

sub-critical flow 亚临界流; 次临界流; 亚声速流 | sub-humid tropics 湿副热带; 湿亚热带 | subliminal dose 限下剂量; 最低有效剂量