英语词汇“extension ring”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	extension ring
释义	extension ring extension ring or extension tube n (Photography) photog a spacer element that can be fixed between the camera body and the lens to increase the distance between film and lens and allow closer focus than would be possible without it
随便看	gauged wess-zumino-witten models gauged work gauge error feedback control gauge field gauge field theories gauge field theory gauge-fixing term gauge glass gauge group gauge-including atomic orbital gauge independent atomic orbital gauge invariance gauge invariant gauge-invariant gauge invariant atomic orbital gauge invariant periodic quantization gauge lathe gauge management software gauge-mediated supersymmetry breaking gauge non-invariant gauge of a carriage gauge of needle gauge on outstanding leg gauge particle gauge pile

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。

extension ring