Shandong Province has plentiful chemical resources. Developing chemical industry is its unique superiority.
山东省化工资源十分丰富，大力发展化学工业为其突出优势。
By numerical simulation and economic evaluation for Qinshui CBM Field, it can be derived that MLHW obviously has a superiority of economic benefit in developing CBM.
通过对沁水煤层气田的数值模拟与经济评价可知，用多分支水平井开发煤层气具有明显的经济效益优势。
By comparing main properties of pipe with FWRPM, FRP pipe, steel pipe, Cast iron pipe and reinforce concrete make know technical economic superiority of FWRPM pipe and its broad developing prospects.
通过与玻璃钢管、钢管、铸铁管、混凝土管主要性能的比较，进一步阐明了该管道的经济技术优势和广阔的发展前景。
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