通过群孔抽水试验，改变了地下水的循环条件，使水质达到了生活用水导致标准，为此区奥灰水的综合利用打下了基础。
Through multiple Wells pumping, the groundwater circulation condition is changed, thus water is drinkable finally, and sets a basis of comprehensive utilization of Ordovician water in the region.
介壳灰岩层薄、致密、非均质性强，属低孔、低渗孔隙—裂缝性储层。
The shell limestone is thin bed, compact and anisotropism, so the reservoir is of low porosity, low permeability and pore fracture character.
此外，火山灰还可能堵塞散热孔，污染燃油系统，这都会显著地缩短发动机的使用寿命。
In addition, eruption jams possibly still medicinal powder hot aperture, pollute fuel system, this metropolis shortens significantly the service life of engine.
火山灰中的细小玻璃态物质，会融化然后堵塞住散热孔，导致引擎过热熄火。
Volcanic ash can clog up and damage jet engines while the tiny particles of glass in the ash can also melt and block the ventilation holes which can cause the engines to overheat and stop working.
应用：适用于非合金钢、合金钢、灰口铸铁、球墨铸铁、可锻铸铁的深孔钻削，尤其适合铝合金和镁合金的加工。
Application: Drilling deep hole in non alloy steel, alloy steel, grey cast iron, malleable cast iron, special aluminum or magnesium alloy.
婴儿灰松鼠正在寻找一些住房，偶然发现了此框完成完美望孔他捅了他的头。
The baby grey squirrel was looking for some shelter and came across this box complete with a perfect look-out hole for him to poke his head out of.
该产品拥有发达的有效微孔，中、大孔所占比例少，高机械强度、高表观密度、低灰份。
This product has the developed effective pore, the pocket accounts for the proportion to be few, high mechanical strength, high apparent density, low ash content.
该产品拥有发达的有效微孔，中、大孔所占比例少，高机械强度、高表观密度、低灰份。
This product has the developed effective pore, the pocket accounts for the proportion to be few, high mechanical strength, high apparent density, low ash content.
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