采用过渡焊接的方法成功解决了栅极脱焊的问题；
The problem of grid jointing invalidation is solved by using the interim seal.
脱焊过程有两个关键的步骤：脱焊的加热方法的选择和对脱焊的拆卸力的研究。
The process of unsoldering the electronic component has two pivotal steps: electing the method of pyrogenation and investigate the force of disassembly.
起重机构的门架不得有变形或脱缝脱焊现象。
The gate of a crane should not have deformation, seam slippage or wielding off.
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