Drawing process for shaping the brake drum oil shield of truck CA151 has been deliberated.
对CA151型汽车制动鼓挡油盘拉延成型工艺进行了探讨。
2
As long as all was still the pen drew a straight line but while the drum was being shaken the line that the pen was drawing wriggled from side to side.
一切都保持静止时笔将画出一条直线，而当圆筒被振动时，笔画出的线就会蜿蜒起伏。
3
The production apparatus includes wire drawing rotary drum, movable drawing furnace, air pump, drafting platform and stove.