以西北东北华北地区为基础业务辐射整个中国。
To the northwest northeast north China based business radiation throughout China.
石油主要蕴藏在西北地区，其次为东北、华北地区和东部沿海浅海大陆架。
Petroleum reserves are mainly in northwest and also in northeast China, north China and the continental shelves in east China.
实际使用表明，该油品适用于中国东北及华北地区，性能良好，具有较长的使用寿命。
The oil product has shown good performances and longer life period in practical applications, and is suitable for use in regions of northeast and north China.
第二组群，生育期较短，植株较矮，子粒较大，有限生长，主要来源于东北及华北地区；
The accessions in the second group had shorter growth period and plant height, bigger seed size and determinate growth habit etc. They were mainly from the northeastern and northern regions of China.
由于复杂的历史原因，我国冬季集中供暖一直都局限在东北、西北和华北地区。
Due to complex historical reason, our winter central heating has been limited in northeast, northwest and north China area.
适用于寒冷地区如黄河流域、华北地区、西北地区、东北地区等冬季温度低需采暖地区。
Be suited to cold regions such as the Yellow River Basin, North China, Northwest China, Northeast China and other, which are too cold to need heating in winter.
我国东部沿海地区及邻近海域的偏南风加强，而我国东北和华北地区的偏北风偏弱。
Southerly winds intensifies over east part of China and neighboring sea area, while northerly winds weaken over north China and the Northeast of China.
我国东部沿海地区及邻近海域的偏南风加强，而我国东北和华北地区的偏北风偏弱。
Southerly winds intensifies over east part of China and neighboring sea area, while northerly winds weaken over north China and the Northeast of China.
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