问题 问答题

覆环(围带)断裂时应如何处理?

答案

参考答案:

可开出V型坡口,用直径2mm的奥502或铬207电焊条进行补焊或焊接,补焊或焊接均应按焊接工艺要求进行热处理和锤击处理,并检查焊缝硬度。

材料分析题

七年级学生小胡沉迷于游戏机,一放学就到网吧打游戏,后来,干脆旷课打游戏,甚至整夜不回家,学习成绩直线下降,性格变得寡言少语。家长、班主任多次耐心教育,他却认为网吧就是让人打游戏的,它能开,我就能去,况且,我玩的的内容都是变形金刚、魔幻城堡、三国等,没有不健康的。

阅读材料,请回答:

(1)你认为小胡的想法对吗?为什么?

                                                                                                                                                            

                                                                                                                                                            

(2)你爱打游戏吗?是否和小胡一样常去网吧打游戏?今后你该怎样做?

                                                                                                                                                             

                                                                                                                                                            

(3)请你对网吧老板说几句话

                                                                                                                                                             

                                                                                                                                                             

                                                                                                                                                             

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