求翻译：手工修补时，表中规定的温度应提高25 C。 特殊区域及主要结构件的修补，预热温度应比表中的温度应提高50C，并且至少为 l00C。是什么意思？

Repair manual, the temperature specified in the table should be increased 25  C. Special areas and major structural parts of the repair, the preheating temperature should be higher than the temperature of the table should be increased 50  C, and at least l00  C.

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When you are manually patch, set out in the table temperature 25 c should be raised. Special areas and repair of main structural components, temperature should be raised in the preheating temperature than table 50 c, and at least l00 c.

When you are manually patch, set out in the table temperature 25 c should be raised. Special areas and repair of main structural components, temperature should be raised in the preheating temperature than table 50 c, and at least l00 c.