rock-wool

基本解释

This paper analyzed the property of rice seedling that was cultivated with a new technique of rock-wool seedling combining with proportional nutrients.
本文探讨了以岩棉为基质，以育苗专用肥为养分给源的水稻育苗技术所培育的秧苗在生长、形态及生理素质方面的特点。
In the present paper, the effects of EPR, blowing agent, plasticizer and rock-wool content on the sound absorption coefficient of the foamed materials were also studied and analysed…
还对乙丙橡胶用量、增塑剂用量、发泡剂用量和岩棉用量对材料吸声性能的影响做了研究。
In the present paper, the effects of EPR, blowing agent, plasticizer and rock-wool content on the sound absorption coefficient of the foamed materials were also studied and analysed. Optimum base…
还对乙丙橡胶用量、增塑剂用量、发泡剂用量和岩棉用量对材料吸声性能的影响做了研究。

So even a dyed-in-the-wool Zynga bear might be forced to consider that the stock may have finally hit rock bottom.
FORBES: Zynga Spikes; Suddenly, Investors See A Raging Bargain