ASTM B263-99 标准导线横截面积测定的标准试验方法
1.1 This test method covers the procedure for determining the cross-sectional area of stranded conductors by the mass method.
1.2
Standard Test Method for Determination of Cross-Sectional Area of Stranded Conductors
ASTM B263-99 标准导线横截面积测定的标准试验方法
1.1 This test method covers the procedure for determining the cross-sectional area of stranded conductors by the mass method.
1.2
Standard Test Method for Determination of Cross-Sectional Area of Stranded Conductors
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