Methods: The new artificial disc was made of two titanium alloys end plates and one polyethylene slide core.
方法：用钛合金制成上下盖板，用超高密度聚乙烯制成中间的滑动核。
The design steps of injection mold for the shaver frame were introduced in detail, mainly introduced the slide core-pulling mechanism.
详细介绍了剃须刀头架注射模设计过程，重点介绍了滑块抽芯机构设计特点。
The design steps of injection mold for the shaver frame were introduced in detail, mainly introduced the slide core-pulling mechanism.
详细介绍了剃须刀头架注射模设计过程，重点介绍了滑块抽芯机构设计特点。
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