人口结构 the structure of the population ; [社科] population structure ; demographic structure
出口结构 the export mix ; [贸易] export structure
进出口结构 import and export mix ; import and export structure
优化进口结构 to optimize our import mix
城市人口结构 urban population structure
优化人口结构 optimize the population structure
断口结构 grain structure of fracture
超级端口结构 ultra port architecture ; UPA
地区人口结构 regional structure of population
选用不同的玻璃胶条，要有相应的止口结构。
Various kinds of the section of the windscreen rubber strip needs respective fixing structure.
独特的出料口结构可以防止清洗液析出结晶而堵塞管路。
The unique discharge port structure can prevent the cleaning fluid crystallization precipitation to plug the pipe.
对比不同扩口结构下的流场，发现安装一定结构的缩放扩口可以更好地促进燃料稳定、高效、清洁燃烧。
The research results show that the said burner can organize a rational aerodynamic field and have a comparatively good adaptability to load changes.
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