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 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。
refractory stone
耐火材料结石(玻璃缺陷)
alexandrite glass
金绿宝石玻璃，变石玻璃
Currently, the products consist of toughened glass, interlayer glass, bulletproof glass, pickproof glass, fireproof glass, hollow glass and hot bending glass.
产品有钢化玻璃，夹层玻璃，防弹防盗玻璃，防火玻璃，中空及热弯玻璃。
Analysis on the Siliceous Refractory Stone of Pyrex-Brand Glass
高硼硅耐热玻璃器皿硅质耐火材料结石分析
Analyses of the Characteristics and Causes of Formation of Refractory Stones in Shandong Glass Manufactory
山东玻璃厂耐火材料结石的特征及成因分析
Application of silica-ceramic rollers to lehr of patterned glass
石英陶瓷辊在压花玻璃退火窑上的应用
quartzoid sprinkler system
玻璃球喷水灭火系统
break glass call point
打碎玻璃形火灾报警盒
a glass tube for enclosing the flame of a lamp.
围住灯的火焰的玻璃管.
Any of various volcanic glasses distinguished by their dull pitchlike luster.
松脂石某种火山玻璃，以其暗似沥青的光泽而著名
A diamond, my eye!That's glass.
钻石，瞎扯！那是玻璃。
The rock was covered with grass.
石头还用玻璃罩着。
a diamond pencil
(割玻璃用的)钻石刀
quartz glass pyrheliometer
石英玻璃太阳热量计
volcanic rock includes the volcanic glass obsidian.
火山岩包括黑曜岩火山玻璃。
mould for glass paving stones, bricks or flags
型模,用于玻璃铺地石,砖或石片