不仅可以节约能源，提高效率，提高生产力，而且有助于控制成本。
They save energy, increase efficiency, raise productivity and so help to keep costs under control.
结果表明，煤层气的开发利用不仅可以减少瓦斯事故，节约能源，减少环境污染，还具有显著的经济效益。
The results are shown that the utilization of the coal bed methane can decrease the gas accident, save energy source, reduce the environmental pollution, and have remarkable economic benefit.
试验结果表明，一浴法染色不仅可以达到快速染色的目的，而且可以节约能源，降低生产成本。
The results showed that one bath dyeing process could improve dyeing rate, as well as save energy and lower production cost.
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