其四为改良土的技术经济对比分析，讨论了未改良土与改良土的工程造价情况，以及掺入不同改良剂在不同掺量下的造价。
At last, economic contrast analysis of meliorated soil, discuss engineering cost of unimproved, meliorated soil and different mixing of different improved stuffing.
本文介绍该新耐磨管材的生产工艺、产品性能、水力试验、技术经济对比和产品技术要求等情况，以利于设计选型及推广应用。
The production process, product performance, hydraulic test, technical and economic comparison and product technology requirement etc. of the new wear pipe m…
分析了丙烯生产技术的进展情况及发展趋势，对不同丙烯生产路线的技术经济性进行了对比分析。
The article analyzes advances in propylene production technology and its development trends and gives contrast studies on techno-economics of various propylene production routes.
通过对比得出了壁挂式相对嵌入式螺旋溜槽的优越性及技术经济效果。
After contrast and analyse, it was found that wall-hung spiral chute is ascendant and oecumenical than wall-laid spiral chute.
综述甲基叔丁基醚(MTBE)的国内外生产和供需状况以及生产工艺技术经济指标对比。
The production, supply and demand of methyl tert-butyl ether (MTBE) at home and abroad are reviewed and the techno-economic indices of production technologies are also compared in this paper.
针对国产防爆空调机组的应用及现状作了介绍，并对不同方案的技术经济情况进行了对比。
The application and existing condition of explosion proof air conditioning unit made in China are introduced and comparison of technical economy situations in different schemes is given.
工业性试验对比证实，巷道采用隔热降温技术后，隔热效果达到64%，具有巨大的技术经济效益。
Through industrial tests, the insulation heat effect can reach 64% by adopting the insulating and cooling technology, which has great technical and economic benefits.
工业性试验对比证实，巷道采用隔热降温技术后，隔热效果达到64%，具有巨大的技术经济效益。
Through industrial tests, the insulation heat effect can reach 64% by adopting the insulating and cooling technology, which has great technical and economic benefits.
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