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electric welding造句
1. How to after electric welding hurt an eye, do? 2. Where can Harbin purchase electric welding work clothes? 3. Burn electric welding for long what to harm have to the body? 4. The stone cage nets in foreign electric welding, used primarily to widely used special modelling, exterior park landscape, the outsourcing business building. 5. Welding and cutting in 1949, Beijing has geo-drilling, electric welding and cutting etc oxyacetylene flame manual operation. 6. To protect the power component of electric welding machine, over tensiontension protection are circuit designed. 7. The Shanghai Electric Welding Machine Plant is one of the largest welding machine works in China. 8. The wastewater treatment system at Shengang electric welding wire product line has been analyzed.Sentence dictionary 9. Electric welding is the heating of two pieces of metal to be welded by electricity. 10. Invitation: Electric welding, argon arc welding, burglar - proof door installment odd - job man each 2. 11. The utility model relates to an electric welding machine, which particularly refers to a portable ac arc welding machine with iron shells. 12. It can use alternative electric welding machine or direct electric welding machine while the usage current is 140-160A. 13. The principle of electric shock caused by electric welding machine is analyzed, which offers the theory for safety protection and prevention of electric shock. 14. Major in mechanical or electric specialty, qualified for locksmith or electric welding maintenance. 15. Machines factory told us that now they only produce electric welding machine, the transport belt is no longer produced. 16. Arc welding power supply is the key part of electric welding machine, so its performance directly affects the welding quality. 17. This paper probes into the application of RF technology in the wireless remote control system of electric welding machine from two aspects of hardware design and software design. 18. In this paper, one of the quality controls in resistance welding, the dynamic resistance method is introduced, and any problem of resistance electric welding machine in using are analyzed in detail. 19. The PLC controlled system which is used to control step-motor and electric welding machine is introduced in this paper, and automatic control of T-type channel Joints is realized. 20. The elements and the whole sets of construction design of the automatic steel-pipe electric welding machine were introduced. The composition of hardware and software of the systems were also designed. 21. A method which can increase power factor and decrease energy consumption of common manual AC electric welding machine is presented. 22. Bolt - type products, such as energy storage for electric welding equipment.