基本解释[经济学]修版喷笔英汉例句双语例句Air eraser Miniature sand-blasting hand appliance, using compressed air and pumice for removing superfluous lithographic images from the plate.擦版气笔手提的小型喷砂器，用压缩空气和浮石粉去除平版上多余的印纹。词组短语短语air r eraser 修版喷笔专业释义经济学修版喷笔