The filaments have widths that suggest they are formed as shockwaves from exploding stars travel through the medium, sweeping up and compressing the interstellar dust and gas.
丝状尘埃云的宽度暗示它们是形成自一些通过中等大小正在收缩的星际尘埃和气体的恒星然后爆发后的激波而成。
Once the piping system passes the pressure test, sweeping shall be carried out prior to the gas leakage test.
管道系统压力试验之后，气体泄漏性试验之前，应进行系统吹扫。
The results of model and simulation can evaluate the range of oil or gas exploitation, and also the area of injected fluid sweeping.
其结果可用于油气采出范围的预测和计算，并为注入井的科学控制和合理布井提供依据。
There were regions open to the sweeping winds and rain, which were yet lighted throughout the night with long, blinking lines of gas-lamps, fluttering in the wind.
然而一到夜里，一长排一长排 煤气街灯就亮了起来， 灯光在风里摇曳。
There were regions open to the sweeping winds and rain, which were yet lighted throughout the night with long, blinking lines of gas-lamps, fluttering in the wind.
然而一到夜里，一长排一长排 煤气街灯就亮了起来， 灯光在风里摇曳。
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