e=mc2的英语怎么读 e12怎么说英语,e=mc2英语怎么说 e=mc2英文

mc2的英语怎么读 e12怎么说英语,e=mc2英语怎么说 e=mc2英文

e12怎么说英语

E12 is a standard for the diameter of a screw thread. It refers to a thread with a nominal outer diameter of 12 millimeters. In English, you could say “E12 screw thread” or “12 millimeter screw thread.”