Tolerance upper limit 容忍上限
upper tolerance limit 上容差限
General survey on dimension of tooling tends to upper limit, meanwhile it has an unstable factor on injection proceeding so that tolerance of some products is above upper limit.
模具验收时尺寸普遍偏上差，产品在注塑过程中不稳定，造成部分产品尺寸超上限。
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