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- flint glass paper 粗砂纸
- 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。
- 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。
- 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
- high density polyethylene glass paper 高密度聚乙烯玻璃纸
- She rubbed the glass with emery paper. 她用砂纸磨玻璃。
- 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。
- His sooty hand smudged the paper. 他被煤烟熏污的手把纸弄脏了。
- Your cigarette-lighter needs a new flint. 你的打火机需换新电石了。
- All its stock in trade is glossy paper backs. 该店的全部现货是光面的平装书。
- Hard copy is computer output on paper, printing or graphics. 硬拷贝是出现在纸上、印刷上或图表上的电脑输出。
- The name and address of the firm are embossed on its paper. 商号的名字和地址凸印在信笺上。
- 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
- The paper has a wide readership. 该报拥有广泛的读者。
- He looked through a pane of glass. 他从一块玻璃看过去。
- The boy is daubing a piece of paper with red ink. 那孩子正在用红墨水在纸上乱涂。
- 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。
