求英语高手进行语法分析(1) Similar to a lightning,an electrical arc used for welding is also a process of electricity shedding and as blazing as a lightning,but it is controllable.(2)Submerged arc welding is defined by the American Welding

求英语高手进行语法分析(1) Similar to a lightning,an electrical arc used for welding is also a process of electricity shedding and as blazing as a lightning,but it is controllable.(2)Submerged arc welding is defined by the American Welding
求英语高手进行语法分析
(1) Similar to a lightning,an electrical arc used for welding is also a process of electricity shedding and as blazing as a lightning,but it is controllable.
(2)Submerged arc welding is defined by the American Welding Society as an arc welding process where in coalescence is produced by heating with an arc or arcs between a bare metal electrode,or electrodes,and the work piece.
(3)It is good for the vertical welding as well as the welding of stern and thick steel plate of the mansion steel structure,with plate thickness as much as 760mm.
(4)However,before we get down to welding,we must make the preparation called edge preparation according to different thickness of plates,Edge preparation has also got another technical term,i.e.groove．

求英语高手进行语法分析(1) Similar to a lightning,an electrical arc used for welding is also a process of electricity shedding and as blazing as a lightning,but it is controllable.(2)Submerged arc welding is defined by the American Welding
(2)Submerged arc welding（主语） is defined （被：by the American Welding Society 动作发生者）as （定义为）an arc welding process （定语where in coalescence is produced by heating with an arc or arcs between a bare metal electrode,or electrodes,and the work piece）.

（1）Similar to a lightning作状语，arc used for welding 作定语
（2）没看懂
（3）structure, with plate thickness as much as 760mm定语从句
（4）preparation called edge preparation 作定语，according to different thickness of plates作状语

？分析what?

2 (Submerged arc welding is defined by the American Welding Society as an arc welding process /where in coalescence/)主语从句 is produced by heating with an arc or arcs between a bare metal electrode, or electrodes, and the work piece.