英德
有道
百度
谷歌
图片
维基
百科
主线系
principal series
- 本文介绍了开发钢铁生产主线板坯缺陷的诊 断系 统的必要性；
This paper introduces the importance of developing the diagnostic system in steel slab production. - 宋金关系始终是其连系的主线，并成为影响文学创作观念形成的关键要素。
The relation between Song and Jin is the main link, and becoming the key factor affecting each stage of literature creating idea. - 秦巴经济走廊是指以秦岭和大巴山两大山系及其余脉为主线所形成的经济区域。
Qinba economic corridor refers to the economic area comprised by Qinling mountain-system and Dabashan mountain-system with their sub-systems together.
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中国词汇量第二的英语词典
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