circular mil
柯林斯詞典
1. N a unit of area of cross section of wire, equal to the area of a circle whose diameter is one thousandth of an inch. 1 circular mil is equal to 0.785?×?10–6 square inch or 0.2?×?10–9 square metre 圓密耳
返回 circular mil
1. N a unit of area of cross section of wire, equal to the area of a circle whose diameter is one thousandth of an inch. 1 circular mil is equal to 0.785?×?10–6 square inch or 0.2?×?10–9 square metre 圓密耳