交: hand over; give up; deliver直流: direct-current; constant cur ...转换开关: commutation switch; tumbler ...电流转换开关: rheotrope交流转换开关: ac switch电源及交直流转换器: power supplies &dc to dc converters直流转换比: dc transfer ratio直流转换点: dc switching pointq转换开关: q-communication极转换开关: polechanger主转换开关: master switcher转换开关: alter switch; alternation switch; change over switch; change switch; changeover cock; changer; commutation switch; commutator; cos change over switch; diverter switch; interter; inverter switch; invertor; mode selector; on-off switch; over changing switch; permutator; reset switch; rheotrope; seesaw switch; switch key; switch unit; switch valve; switcher; throw over switch; throw switch; transfer lever; transfer switch; tumbler转换开关板: switchboard panel转换开关盒: jack box; switch box; switchbox转换开关匣: switchbox转换开关组: switch bank比例转换开关: ratio switch波瓣转换开关: lobe switch波长转换开关: wave changing switch; wave-changing switch波导转换开关: waveguide switch; waveguide transfer switch波道转换开关: frequency channel selector波段转换开关: band switch; band swith; bandswitch; range selector; range switch; wave changer; wave changing switch波模转换开关: mode switch波型转换开关: mode switch程序转换开关: program selector