问题
填空题
焊接的步骤为插上电源打开开关→（）→准备及确认物料→（）→达到焊接温度要求按SOP作业→关电源。
答案
参考答案：调节温度；准备工具
搜题请搜索小程序“爱下问搜题”
焊接的步骤为插上电源打开开关→（）→准备及确认物料→（）→达到焊接温度要求按SOP作业→关电源。
参考答案：调节温度；准备工具
| 文段改错。 | |
| My name is Tony, I lives in Beijing, China with my parents. I have a Chinese friend. He's name is Daming. I'm 13 years old and he is 12 years old. We like music but sports. My favorite sport star is David Beckham. His favorite singers is Adu. This evening, we are going watch a football match at Hongkou Stadium. . | ( )_______ |