Our advantage is tutorial is simple, rough, easy to understand, grounding gas.

我们的优势就是教程简单，粗暴，通俗易懂，接地气。

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The calculation of the volume of gas storage tank was a approximately rough calculation using the calculation formula of cylinder volume in the past, it is not accurate.

过去对储气罐容积都近似地用圆柱体容积的计算公式来粗略计算，这样很不准确。

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The laser-cut will also produce the rough fringe because the metal gas status will be turned into the metal dregs during the course of cutting, and the dregs will also hold the paste.

激光切割的模板也会产生粗糙的边缘，因为在切割期间汽化的金属变成金属渣。这可能引起锡膏阻塞。

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Obviously rising gas prices means a rough ride for a lot of families.

WHITEHOUSE: President Obama Speaks on Increasing Oversight on Manipulation in the Oil Market | The White House

The Fed extended its Operation Twist program last month, in a bid to buy more time for the economy to show whether it is driving through a rough patch or running out of gas.

FORBES: Bernanke Says Fed Has Plenty Of Options, Doesn't Signal When He'll Use Them

"A lot of cars stuck, a lot of roads not plowed, mainly the side roads, " said Chris Bornemann, 32, of Port Jefferson, as he put gas in his car after a rough drive around the Ronkonkoma area.

WSJ: Deep Snow, Ice Defying Plows