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1·The utility model relates to a change-over switch 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-over switch 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-over switch can alarm simultaneously by changing over the inductive alarm of human body, the induction of human body, and the air vibration.

所设置的工作转换开关可以切换人体感应报警、人体感应与空气振动同时报警。

4·ZI is a company operating within many ranges and offers Cavity sinking EDM machines (ram-type EDM machines), Dismantling machine tools as well as Pallet change-over switch.

作为一家令客户满意的生产型企业，ZI制造（工件）托盘交换装置，拆除的机床范畴内的最新产品。

5·Install inside component: Omnipotent change-over switch, press the button, an ampere meter, Indicator lamp wait, can load other instruments with according to user s request.

内装元件主要有：万能转换开关，按钮，电流表，指示灯等，可按用户要求装其他仪表。

6·The encoder assembly (1) is respectively connected with a change-over switch (2), a combining beam switching control (3), the decoder assemblies (4) and (14), a storage battery (13) and the ground.

所述编码器组件（1）分别接向转向开关（2）、组合变光开关（3）、译码器组件（4）和（14）、蓄电池组（13）和地。

7·If it is a necessary change, what is the best way to switch over?

如果有改变的必要的话，最好的切换方式应该是怎样的？

8·It is generally unnecessary to verify the isolation capacitance on a switch card, because the capacitance is a mechanical function and should not change over time.

由于电容属于一种机械性能，并且不应随时间发生变化，所有通常必须要验证开关卡上的隔离电容。

9·Note: the change-over difference means the difference between the temperature when the switch breaks and the one when the switch resets to close.

注：切换差是指开关断开时温度和开关恢复到闭合时的温度差。

10·This can realize the automatic change to switch over instrument amount.

这样可以实现仪器量程的自动切换。