... 近似代用品 close substitute 经济代用品economic substitute 临时代用品 makeshift ...
双语例句
1
Obvious economic and social benefit can be achieved by using ERW to substitute seamless pipe.
指出用ERW代替无缝钢管具有明显的社会效益与经济效益。
2
As a substitute for diesel, the property and economic efficiency of fuel alcohol have been approved.
作为替代柴油的燃料乙醇，其性能和经济性早已得到认可。
3
Also particularly explains the superior characteristics, fabrication process and installation of the compound air duct, in addition, analyzes the economic feasibility of the substitute project.