gas hole [冶] 气孔 ; 气洞
Gas Hole Ratio 气孔率
Entrapped Gas Hole 卷入性气孔
Gas hole blow 天然气井喷
gas hole rate 气孔率
Precipitating gas hole 析出性气孔
gas drilled hole 天然气钻井
loudspeaker shaped gas hole morphology 喇叭形气孔形貌
gas valve hole 气阀孔
Most astronomers believe that the large concentration of mass at the galaxy's center is a black hole whose gravity is causing the gas to whirl.
大多数天文学家认为，星系中心的大量物质是一个黑洞，它的引力导致气体旋转。
The structural parameter mainly includes the gas hole diameter, the water hole diameter and the mixture hole diameter.
结构参数方面主要包括气孔直径、水孔直径及混合孔直径。
Pay attention to their fair share of oil gas hole size, and the design of the gas points capacity.
注意气分内回油孔尺寸，还有气分的设计容积。
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