A new testing method was developed for continuous measurement of gas gap pressure during mold filling process.

设计了一种新的气隙压力测试方法，连续测试了浇注过程中的气隙压力。

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Based on the principle of smooth filling casting system without gas gap, the casting system of bolster is designed.

基于无气隙平稳充型浇注系统的设计原理，设计了摇枕铸件的浇注系统并进行了充型和凝固过程的计算机模拟。

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In this paper the gas gap in the expendable pattern casting process was studied and the relation between the gas gap and collapse defect is discussed.

对消失模铸造铸铁件流动前沿的气隙进行了研究，探讨了气隙与坍塌缺陷的相互关系。

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In January, another team of researchers reported evidence of vast streams of gas flowing across a gap in a disk of material around a young star.

WSJ: Possible New Planet Spotted Under Formation

The 12 gas balloons took off from Gap-Tallard in France almost 24 hours ago.

BBC: David Hempleman-Adams' gas balloon 'flying well' in race

If oil and gas tax has to fill the gap between other tax and expenditure, it requires some large-scale contingency planning in case it doesn't deliver on forecast.

BBC: Balance of payments