The utility model relates to a change-overswitch of AC-DC electric welder.
本实用新型涉及一种交直流两用电焊机的转换开关。
2
LPG bi-fuel system placed in the EFI engine is introduced in this article, the fuel change-overswitch in the LPG system is to control the fuel conversion.
介绍了一种可用于电喷发动机的LPG改装系统，系统设置了燃料转换开关来控制燃料的转换。
3
The arranged work change-overswitch can alarm simultaneously by changing over the inductive alarm of human body, the induction of human body, and the air vibration.