天然气气田钻井发动机机组燃料由柴油改为柴油-天然气双燃料，是提高经济效益、降低开发成本的有效途径之一。
Replacing diesel by diesel-natural gas as the fuel for drilling engine unit in natural gas field is one of the effective ways for improving economic benefit and reducing development cost.
采用天然气作主要燃料柴油作辅助燃料的双燃料发动机，因天然气燃烧污染低将会得到广泛的应用。
The dual fuel engine, which uses natural gas as primary fuel and diesel oil as assistant fuel, will be used widely because of the low pollution of natural gas.
为了解决日益严重的环境污染和能源危机的问题，开发了一种以天然气和柴油为燃料的电控双燃料发动机。
In order to solve the increasingly serious energy crisis and environmental pollution problems, we develop a electronically controlled dual-fuel engine natural for natural gas and diesel fuel.
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