| 释义 |
1 ?透镜管 ... cathode-ray tube lens 阴极射线管透镜 lens tube 透镜管 tube-length correction lens 筒长校正的透镜 ... 2 ?镜头筒 ... 镜头套 lens jacket 镜头筒 barrel mount; lens barrel; lens tube 镜头罩 flag; lens case; lens shade; lensshade ...
- 1
The observation lens is the single-tube visual lens, eyeglass is made of a concave lens, and the inner part of a lens tube is provided with a visual distance increasing device. 所述的观测镜是单筒目视镜，目镜用凹透镜制成，镜筒内部设有视距增长装置。 - 2
The apparatus consists of the standard color plate, optical lens, the light source was observed, colorimetric tube. 本仪器由标准色盘、观察光学镜头、光源、比色管组成。 - 3
Because the power stable, selection of long life laser tube and import lens combination, make ZT series shake the machine service life and reliability is greatly increased. 由于选配了功率稳定、超长寿命的激光管和进口镜片组合，使得ZT系列刻章机寿命和可靠性大大提高。
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