双刀开关 双极开关

double-poleswitch  detail>>

双刀开关

double-pole switch  detail>>

双极开关

bipolar switch double pole switch double-pole switch double-poleswitch two pole ...  detail>>

双极开关掣

double-pole switch  detail>>

双极（刀开关）

double-pole  detail>>

双极闸刀开关

two-pole knife switch  detail>>

开关双极晶体管

switching bipolar transistor  detail>>

刀开关

knife switch knifetch  detail>>

刀形开关,刀开关

knife switch  detail>>

变极开关

polarization switch pole changing switch  detail>>

单极开关

one-pole switch single pole switch single switch single-pole knife switch single...  detail>>

单极开关掣

single-pole switch  detail>>

倒极开关

pole reversing key  detail>>

多电极开关

multiple electrode switch  detail>>

多极开关

multipole switch  detail>>

二极开关

two-pole switch  detail>>

换极开关

polarity reversing switch pole changer switch pole changing switch pole reverser ...  detail>>

两极开关

two-photo pole switch  detail>>