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Systematic techniques are apt to prove highly helpful in solving problems and eliminating defects. The important thing is to avoid doctoring symptoms instead of seeking to diagnose the real cause.
在解決問題和消除缺陷的過程中，採用系統的技巧更為有用。而最重要的事情就是要避免隻是探究發生缺陷的癥狀，而不去分析產生癥狀的真正原因。
A problem encountered in the process of injection moulding or a defect appearing on the moulding may have numerous causes residing in the machine, the mould, the material and the method. Next to identifying the true cause of the defect, it is important also to try to point out as accurately as possible the time of its origin.
注射成型過程中遇到的難題、塑膠制品上出現的缺陷，都可能是由潛伏在機器、模具、材料和成型方法上的諸多原因造成的。僅次於認識造成缺陷的真正原因的重要性，盡可能準確地指出缺陷產生的時間也是很重要的。
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Defect
缺陷appearance
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Cause of defect
造成原因
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Process 過程
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Mould 模具
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Plasticising 塑化
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Injection 注射
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Hold pressure 保壓
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Clamping force 鎖模力
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Open mould開模
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Demoulding脫模
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Gate 澆口
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stability 穩定性
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Temperature溫度
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Venting 排氣
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Defect appearing as 缺陷癥狀
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