VSQ系列电动执行机构 ... 9830;化工和石化 Chemical，petrochemical 9830;石油和天然气行业Oil，Natural Gas 9830;电厂Power ...
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来自石油和天然气行业的收入构成大约一半的直到09年11月的预期结余。
Revenues from the oil and gas industry comprise about half the projected surplus for 2009-11.
该产品用途广泛，包括建筑行业、石油和天然气行业以及汽车行业。
The promising product has the potential to be used in a wide range of applications, including in building and construction, oil and gas and the automotive industry.
美国石油协会对适合应用于石油和天然气行业的管材制定了标准(如图4)。
The American Petroleum Institute (API) provides standards for pipe suitable for use in both the oil and natural gas industries (figure 4).
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