And though several European airlines conducted successful test flights in the danger zone, the engines of a Finnish military jet suffered considerable damage as a result of breathing in the ash.
尽管几家欧洲航空公司成功进行了穿越火山灰区域的测试飞行，但是因发动机吸入火山灰，芬兰一架喷气式战机损失惨重。
Local residents evacute a danger zone as the Merapi volcano releases ash clouds near the village of Balerante in Indonesia.
默拉皮火山喷发出的火山灰云接近印尼Balerante的小村庄，当地居民逃离危险地带。
But the no-fly zone still applied to most of Britain, and a new cloud of volcanic ash was reported to be on its way.
但是禁飞区仍覆盖英国大部分地区，并且据报道又一轮新的火山灰云层将经过这一航线。
Fly ash can meliorate IIobviously the transient zone of interface of the cement paste and aggregate.
粉煤灰对混凝土界面区这个薄弱环节有明显的改善作用。
It proved that injecting composite fly ash gel through pipeline network to the fire zone is a rapid and efficient fire-extinguishing technique and applicable to extinguish large area coal seam fire.
实践表明，复合胶体管网式防灭火技术是一种快速高效的防灭火技术，适应大面积煤层火灾的防治要求。
It proved that injecting composite fly ash gel through pipeline network to the fire zone is a rapid and efficient fire-extinguishing technique and applicable to extinguish large area coal seam fire.
实践表明，复合胶体管网式防灭火技术是一种快速高效的防灭火技术，适应大面积煤层火灾的防治要求。
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