When he had turned the Angle of the gallery, the distant glimmer of an air-hole disappeared, the curtain of obscurity fell upon him once more, and he became blind again.
当他转过了巷角以后，远处通气洞的光线就消失了，黑幕又在他前面落下，使他再次失明。
The appearance of trucks doesn't change, but they install the self-developed vehicle instant observation system, therefore the problem of blind angle is solved.
车辆外观完全没有改变，只是安装了我们自主研发的车辆实时动态观察系统，解决了行驶中视角盲区的问题。
Within the blind Angle area of the Amalog Sonoscope leakage flux inspection system, the rotary rolling caused flaws in seamless steel pipes were missed quite often due to low detection sensitivity.
无缝钢管表面的斜轧缺陷，因位于漏磁纵横向检测机组的盲角区域，检测灵敏度低，容易漏检。
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