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1.The engineer used the fore-aft datum marks to ensure the accuracy of the machine's positioning.
工程师使用轴向基准标记来确保机器定位的准确性。
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2. During assembly, it is crucial to align the shafting with the fore-aft datum marks to prevent errors in the final product.
在装配过程中，将轴向对准轴向基准标记以防止最终产品出现误差至关重要。
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3. The company has developed a new system that uses these fore-aft datum marks to improve the consistency ofits products.
该公司开发了一种新的系统，利用这些轴向基准标记来提高其产品的一致性。