求翻译：闪光对焊主要用于钢轨、锚链、管子等的焊接，也可用于异种金属的焊接。因接头中无过热区和铸态组织，所以性能高。是什么意思？

Flash butt welding is mainly used for welding of rails, chains, pipes, etc., can also be used for the welding of dissimilar metals. Because of the overheated zone and cast structure in the joint performance.

flash butt-welding is used for steel rail, anchor chain, and the solder, and tubes, it can also be used for different types of welding metal. In the connector of a hot zone and cast state, so high-performance organization.

The flash welding mainly uses in the rail, the anchor chain, the pipe and so on the welding, also available in heterogeneous metal welding.Because attaches does not have the superheat section and the cast condition organization, therefore the performance is high.

Flash butt welding is mainly used for welding of rail, cables, pipes, etc, can also be used for welding of dissimilar metals. Connector without overheating and the cast structure, high performance.

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