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- telescopic flint glass 望远镜火石玻璃
- telescope flint glass 望远镜用火石玻璃
- The lens telescope, or refractor, was vastly improved when it became possible to manufacture high-quality lenses made from flint glass. 透镜望远镜，或称折射望远镜，在人们能够制造出高质量的火石玻璃透镜以后得到了很大的改进。
- In this paper, the authors studied the cause of coloration of flint glass in different melting processes and analized the Pt, Rh content of the melt. Then, by adding rhodium oxide to the glass, the minimum content of Pt, Rh for coloration was studied. 本文研究了不同的二次熔炼工艺制度下火石光学玻璃的着色,分析了玻璃中的铂铑含量,?K用加入不同量氧化铑的方法研究了玻璃着色的最低铂铑含量。
- An achromatic lens system may consists of several cemented or separated groups of orown and flint glasses. 一个消色差的透镜系统可由若干个互相贴合的或互相分离的、由冕玻璃和火石玻璃组成的组元组成。
- Flint glass burette with ptfe stopcock 聚四氟乙烯旋塞滴管
- Experience for Production of Flint Glass 高白料生产的几点体会
- Have a glass of beer to rinse your dinner down. 喝杯啤酒把你吃的晚饭冲下去。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- Your cigarette-lighter needs a new flint. 你的打火机需换新电石了。
- He looked through a pane of glass. 他从一块玻璃看过去。
- The car bumped and his forehead hit the glass. 汽车颠簸了一下，他的前额撞到了玻璃上。
- The milk slopped over the rim of the glass. 牛奶溢到玻璃杯外面来了。
- This piece of glass seems to be part of a lamp. 这片玻璃似乎是一盏灯的一部分。
- A Study on Improving Chemieal Dur Ability?of Dense Flint Glass by Ion Exchange 离子交换提高重火石玻璃表面化学稳定性的研究
- Swallow a glass of beer at one gulp. 一囗气喝下一杯啤酒。
- At that time they have learn to strike fire from flint. 那时他们已学会了用燧石打火。
- His telescopic observations are justly immortal. 他的望远镜观察结果当然是不朽的。
- I cut my hand on some broken glass. 碎玻璃割伤了我的手。
- Extend the telescopic antenna vertically. 竖直地伸张伸缩式天线。
