浮石

Aggregate use and considerable resources under the circumstances, the use of fly ash, slag, sand, stone, ceramic, pumice, perlite, etc..

集料根据用途及相当资源情况，可选用粉煤灰、矿渣粉、沙子、石粉、陶粒、浮石、膨胀珍珠岩等。

Pompei and Herculaneum were buried under white pumice and ash, whilst super heated gas killed thousands of people.

标Pompei和赫库兰尼姆掩埋下的白色浮石和火山灰，而超级炽热气体导致数千人丧生。

"Kevin Costner will be 'committed by September between obsidian and pumice quarries in Lipari, Aeolian Islands, on the set of "Learning Italian", a comedy which he produced and interpreted and directed by Kevin Reynolds Fandango,"" Robin Hood ""Waterworld"

凯文科斯特纳将加盟于今年9月在意大利的伊奥利亚群岛中的里柏利岛上的黑曜石和浮石的采石场开拍的新戏&学习意大利语&，这是一部喜剧片，由凯文本人担任制片和主演，由凯文雷诺兹执导（他曾执导过&三步舞&、&侠盗罗宾汉&和&未来水世界&）。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。