结果自动曝光控制机构迅速调整对比度和胶片影像密度，使成像结果最佳。
Results image contrast and film image density is quickly adjusted by mechanism of automatic exposure control to optimize imaging.
介绍了哈里伯顿公司生产的水泥浆密度自动控制系统的构成、功能、工作原理和操作技术要点。
This paper discusses the structure, function, working principle and key operation technology of Haribodon cement slurry density auto control system.
在设计中介质密度采用自动控制。
Automatic control of the medium density can be made in design.
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