叠合盆地中下组合
middle and lower combinations of superimposed basi
平流层中下部
lower part of stratosphere
组合中药学
combinatorial Chinese medicine
地下组合受限空间
underground combinatory confined spaces
干柴沟组下部
down Ganchaigou Formation
基础下部组织
underground infrastructure
上扬子北缘下组合
Lower combination in the North upper-Yangtze area
水下组合导航
underwater integrated navigation system