... 日光滤光片 daylight filter 标准光楔 standard wedge 感光特性曲线 sensitometric characteristic curve ...
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step-wedge standard 梯级光楔标准
standard optical wedge 标准光楔
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In the paper, the research on the quality of rolled stepped shaft for overcoming geometrical limitation and standard design of 3-roll cross wedge rolling mill is reported.
对三辊楔横轧轧件质量、克服几何限制条件措施及轧机定型设计等进行了研究。
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