英语词汇“不透明投影机”的翻译、意思、用法、释义-英汉汉英词典

单词	不透明投影机
释义	不透明投影机opaque projector
随便看	background ratio background reaction background reader background reading background reflectance background region background register background report background research background response background return background returns background-- room backgrounds background scheduler background signal background source background stain background star background station background storage background stream background system background task background temperature