Good control of foam line ensures the inherent quality of glass marbles.
控制好泡界线即可保证玻璃球内在质量。
The cost of raw materials for C-glass marbles, including their transport cost, is rising continually, leading to the continual increase of production cost.
中碱玻璃球原料的成本包括原料的运输成本持续上扬，使生产成本日益增高。
This paper describes how to produce C-glass marbles using unrefined coke-oven gas and gives proofs of the feasibility and advantage of passing air through the to gas regenerator in practice.
本文介绍了利用未经精制的焦炉煤气生产中碱玻璃球的情况，并用实践证明了煤气蓄热室走空气的操作方法的可行性和益处。
The recipe is simple: a few drops of water and glass-like marbles to provide a kind of scaffolding for roots in the soil.
方法很简单：几滴水和玻璃状的弹子为土壤中的植物的根提供一个支架。
Although these marbles are even stronger than the glass itself, they can become very hot and soft in a machine.
尽管这些大理石要比玻璃坚固的多，但是他们在机器里就会变得非常的热，非常的软。
Although these marbles are even stronger than the glass itself, they can become very hot and soft in a machine.
尽管这些大理石要比玻璃坚固的多，但是他们在机器里就会变得非常的热，非常的软。
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