回位销反顶针
return pin
环形浇口 ring gate
无浇道 Runner less
浇道模块 runner plat
浇道脱料板 runner stripper plate
浇道系统 runner system
环形浇口 ring gate
无浇道 Runner less
浇道模块 runner plat
浇道脱料板 runner stripper plate
浇道系统 runner system
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