??β????????????

???????

    ??β????????????????????IEC???????

    ????????????κε???????????????/?????????/???????/?????/??????????????????豸??PLC????????????????,????????????????????????????????LNG??????????????????????????????????????????????????????????????????????????·??????????????????????????

    ?????????????????????????????????????????1???????·?????????黯35mm????????????????????Σ???????????

8/20??s????????Imax???20 kA/????

 

???????

    ?????????Σ?????????????????????????????????35mm??????????????????????????????????????ù????????????·??????????Чй??????????????????????????????ж??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

                                                         ????????20kA
                                                      ??????Σ???????????????????????????
                                                      ??黯35mm?????????
                                                      ??????????????????????
                                                      ??????????????
                                                       ??????????

 

 


 

?????????? ???????
????????
四川快乐12开奖走势分布图