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The opinion about back stationary flat gauge is more bigger is put forward and proved by experiment.
提出了后固定盖板隔距应适当大一些掌握的观点,并通过试验论证了此观点。
youdao
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The opinion about back stationary flat gauge is more bigger is put forward and proved by experiment.
提出了后固定盖板隔距应适当大一些掌握的观点,并通过试验论证了此观点。
youdao