【正文】 ........................................................ 10 ： ................................................................................................... 10 ....................................................................................................... 10 ....................................................................................................... 11 ： ................................................................................................... 11 ....................................................................................................... 11 ....................................................................................................... 12 ....................................................................................................... 12 ..................................................................................... 12 ....................................................................................................... 12 ....................................................................................................... 12 ....................................................................................................... 12 ： ................................................................................................... 13 ................................................................................................... 13 ： ................................................................................................... 13 ....................................................................................................... 13 三、 20g與 Q235鋼焊接性分析： .................................................................................... 13 ： ....................................................................................................... 13 ： ....................................................................................................... 14 能： ....................................................................................................... 14 四、焊接材料的選擇 ...................................................................................................... 15 .......................................................................................................... 15 ................................................................................................ 16 五、夾具的選擇 : ........................................................................................................... 16 六 苯氨計(jì)量罐的裝配 .................................................