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.
当焊缝区域底片黑度变化超过透度
处黑度时，应在该处另加透度。
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.
当焊缝区域底片黑度变化超过透度处黑度时，应在该处另加透度。
声
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表本软件的观点；若发现问题，欢迎向我们指正。
