Photographic Paper may be exposed to light in a controlled manner either by placing a negative in contact with the paper directly (contact printing) or by using an enlarger to create a latent image.是什么意思_Photographic Paper may be exposed to light in a controlled manner either by placing a negative in contact with the paper directly (contact printing) or by using an enlarger to create a latent image.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句