мк(unit of length equal to 1/1,000,000 m, or 1/1,000 mm; also known as micrometer); μм(unit of length equal to 1/1,000,000 m or 1/1,000 mm); микрон(unit of length equal to 1/1,000,000 m or 1/1,000 mm; единица длины равная 1/1,000,000 м, или 1/1 мм); мкн(unit of length equal to 1/1,000,000 m, or 1/1,000 mm; also known as micrometer; единица длины равная 1/1,000,000 м, or 1/1,000 мм)
