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METHOD OF MANUFACTURING SPECIMEN FOR CHECKING SCREW THREAD WITH LARGE HELIX ANGLE
METHOD OF MANUFACTURING SPECIMEN FOR CHECKING SCREW THREAD WITH LARGE HELIX ANGLE
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机译:制造带有大螺旋角的螺旋螺纹的试样的方法
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摘要
the invention относитс to engineering. to improve the accuracy of изобретени вл етс контрол thread screws with a large angle of elevation.this достигаетс , from the surface of the propeller 1, se
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