下筒体
a sealing cushion positioned in the lower shell body is connected with a power cord;
位于下壳体内的封口胶垫和电源线连接;
the upper and lower shell bodies are connected through a shaft lever;
上下壳体通过轴杆构成连接;
both ends of the shaft lever are respectively provided with an axel bed which is fixed in a groove between the upper and lower shell bodies;
所述轴杆的两端分别设有一轴座,轴座固定在上下壳体中间的凹槽内;
design of trimming-piercing die for the lower shell body
下壳体修边冲孔模设计
英语网 · 双语娱乐资讯
英语网 · 少儿英语故事