A working chart was constructed for calculating the loop stiffness of plastics pipes, which reflected the inherent characteristics of plastics pipe.
根据塑料管材环刚度计算公式绘编成计算图，该图显示出塑料管材的固有特性。
The conception of the precision of the main parts for dry battery application and the working chart of the tolerance of the dimension and shape and the coarse degree of the surface were put forward.
本文提出了干电池主要零配件的精度概念以及尺寸公差、形位公差、表面粗糙度等精度要求的工作图表达形式。
The conception of the precision of the main parts for dry battery application and the working chart of the tolerance of the dimension and shape and the coarse degree of the surface were put forward.
本文提出了干电池主要零配件的精度概念以及尺寸公差、形位公差、表面粗糙度等精度要求的工作图表达形式。
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