projection lens jacket 投影透镜套
There was blood and bits of white flesh on his face and on his flak jacket and on his camera lens.
他的脸上、防弹衣上、摄像头上都有鲜血和小块块的白色的肉。
It consists of outer layer sealing constant temperature jacket, middle layer objective sleeve and inner layer as lens frame to partition and fix optical lens elements.
它由外层密封恒温外套、中间层镜筒、内层为分隔固定光学透镜元件的透镜框组件组成。
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