Sometimes tiny fractures appear at the surface, and gas escapes.
有时月球表面会出现小裂缝，而且会有气体从中溢出。
As well located at the mountain terrain special surface, the gas diffusion process more complicated.
由于井场所位于的山区地形下垫面特殊，气体扩散过程比较复杂。
The surface of the sun is a glowing gas envelope.
太阳的表面是一层炽热的气体层。
Bubbles of gas rise through the dense phase, erupt at the surface.
从密相升起的气泡，在表面上爆裂。
Half the road surface is being taken up to lay new gas PIP es.
人们挖开半个路面以铺设新的煤气管道。
The gas bubbled to the surface of the water.
气体变成气泡升上水面。
After molding, there is gas trap on the part surface, suggest adding insert.
成形后，产品表面有困气，建议增加镶件。
The technology is studied on steel pipeline surface by hot spraying with oxygen natural gas.
研究了在钢质管道表面采用氧气—石油天然气火焰熔覆玻璃涂层的工艺。
They need to be sure the gas will not bubble back to the surface.
他们需要确定气体将不会变成气泡回到地标。
Half the road surface is being taken up to lay new gas pipes.
人们挖开半个路面以铺设新的煤气管道。
Role of surface of unconformity in formation of oil or gas reservoirs;
根据地层型油气藏与不整合面的关系首次提出“不整合体”的概念。
The results show that there are gas holes in the surface and the casting;
通过检测发现，铸件的表面和内部都存在气孔。
The technology is studied on steel pipeline surface by hot spraying with oxygen-natural gas.
用于石油天然气及城市燃气、热、排水输送管道的补口防腐。
The technology is studied on steel pipeline surface by hot spraying with oxygen-natural gas.
用于石油天然气及城市燃气、热、排水输送管道的补口防腐。
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