For high production runs, a metal mold skin can be most economical, but at a higher up-front cost.
若进行大规模生产，使用金属模具外壳可能是最经济的，但是初始投入成本较高。
2
The injection mold structure of the front shell of large screen color TV is introduced, and design of side core-pulling large slide, improvement of ejector mechanism and gating method are introduced.
介绍大屏幕彩色电视机前壳注射模结构，重点介绍侧抽芯大滑块的设计， 顶出机构和进浇方法的改进。
3
Sees the fee resist south to be dressed in a simple shirt and beat to begin an electricity to sign at her front of, the mold faintness sticks in can see his facial expression as shocked as she.