In the light of technology, the writer analyses the economic benefits and accounting of large caliber and long distance water delivery pipe.
针对确定的工艺进行了大口径长距离输水管道经济效益分析与核算。
In the light of technology, the writer analyses the economic benefits and accounting of large caliber and long distance water delivery pipe.
针对确定的工艺进行了大口径长距离输水管道经济效益分析与核算。
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