Actually, there are two types of rings, compression rings and oil-control rings.
事实上有两种活塞环，气环和油环。
On these pistons the number piston rings was reduced to three, two compression and one oil-control.
在这些活塞中，活塞环的数量减少到三个，即两个气环，一个油环。
The piston rings carried in the ring groove are of two basic types: compression rings and oil-control ring.
安装在环槽中的活塞环有两种类型：压缩环和机油环。
Solution: I suggest you use the full range of Oil-Control Products carry out proper maintenance work, do a good job in the summer conditioning work.
解决方法：建议你使用整套的控油产品做好保养工作，在夏天做好调理工作。
Oil-Control Products There are three types: oil-absorbing surface Oil-Control, deep oil control should be based on individual circumstances to choose.
控油产品有三种类型：吸油、表面控油、深层控油，应根据个人的情况来选择。
Contrary to popular belief, the oil companies can't control the price of crude.
和大众的想法相反，各石油公司控制不了原油的价格。
The pollution-control team is at the scene and is due to start sucking up oil any time now.
这个污染控制小组已在现场，随时可以开始抽油。
When storing Renaissance oil paintings, museums conform to standards that call for careful control of the surrounding temperature and humidity, with variations confined within narrow margins.
博物馆在储存文艺复兴时期的油画时，要遵循严格控制周围温度和湿度的标准，把变化限制在狭小的范围内。
We want to control the oil for ourselves.
我们希望为自己控制石油。
Most recently Qaddafi indicated that the rebellion was the result of a conspiracy by the West to recolonize Libya in order to gain control of its oil.
而最近卡扎菲则暗示说这场反叛是西方阴谋的结果，目的是再次对利比亚实现殖民统治，以便控制该国的石油。
Today, the countries that control the world's supplies of oil have leverage over much of the world.
今天，控制着世界上的原油供给的国家比许多其他国家更具有杠杆作用优势。
Sadly, if the rebels win, they are also likely to suppress freedom to ensure their control over oil wealth.
不幸的是，即使人民的反抗胜利了，他们也十分可能压制自由，以此确保对石油财富的垄断控制。
Until those facilities are repaired, the rebels cannot export any oil from the area they control.
在石油设施未修好以前，反对派无法将他们控制区域的石油运送出口。
The people of the Middle East want to control their own oil, and spend the revenues on their own societies.
中东地区的人民希望控制自己的石油，并把收入花在自己的社会。
Examples include the breakup of the Soviet Union and the race for control of oil deposits in the newly independent states.
案例包括前苏联的解体以及各个新独立国家间为争夺石油储备的控制权而展开的竞赛。
Libyan fighters, with backing from NATO airstrikes, came close to taking control of the key eastern oil hub of Brega.
在北约空袭战机的支持下，利比亚战斗机几乎取得了对东部石油重镇布雷加的控制。
These companies control the overwhelming majority of the world’s oil.
这些企业控制着世界绝大部分的石油。
In Sudan and Angola, the struggle to control oil revenues contributed to lengthy civil wars.
在苏丹和安哥拉，争夺石油收入控制权导致了长年的内战。
The world's state oil companies control some 90% of global energy resources.
全球国有石油公司控制了全世界约90%的能源。
Meanwhile, growing Numbers of countries in which international oil companies operate are wresting back control over the projects.
同时，越来越多有国际石油公司作业的国家，正夺回对项目的控制权。
After TNK took control of the Yugraneft oil field, documents show that BP officials were worried.
这些文件显示，秋明石油公司控制了Yugraneft油田之后，英国石油公司官员非常担忧。
State oil companies control three-quarters of the world's crude oil reserves. Three of the four largest Banks by market capitalisation are state-controlled.
国有石油公司控制这世界上四分之三的原油储备，全世界市值最高的四家公司里有三家就是国有控股。
Contrary to popular belief, Big oil has almost no control over the price of oil these days.
与普遍认识相反的是，大型石油公司近来几乎没有石油定价权。
The rebels would then have control of Libya's oil-export hub.
从此反对派将获得利比亚石油出口中心的控制权。
The Kochs operate oil refineries in Alaska, Texas, and Minnesota, and control some four thousand miles of pipeline.
科赫家族在阿拉斯加、德克萨斯和明尼苏达经营石油精炼业务，拥有近四千英里长的输油管道。
Chinese companies now control about 40 per cent of Sudan's oil sector.
中国企业现在控制着苏丹石油业约40%的权益。
Chinese companies now control about 40 per cent of Sudan's oil sector.
中国企业现在控制着苏丹石油业约40%的权益。
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