This is only a draft design of this product, we'll make further improvements.
仅仅是该产品的设计草样,我们还要进一步修改和完善。
The feasibility study and draft design of China's aircraft carrier started in 1992.
可行性研究和设计图稿中国航空母舰始于1992年。
It is suitable to calculate the quantities of subgrade protection and drainage project, especially in the draft design and predesign phase of the highway or railway.
该方法尤其适用于公路或铁路的方案研究阶段及初步设计阶段的路基防护及排水工程数量的统计。
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