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。
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。
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。
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