94生活常识网有道词典

photographic density

P 开头单词

常见例句

  • For areas where the film density through the weld varies by more than from the density through the penetrameter, an additional penetrameter shall be used for those areas.
    儅銲縫區域底片黑度變化超過透度計処黑度時，應在該処另加透度計。
    • 返回 photographic density