the south of the lower reaches of the Yangze River
沼气成分燃烧下限
lower flammability limit of methane【能源】
暂无补充释义。
lower flammability limit of methane【能源】
暂无补充释义。
the south of the lower reaches of the Yangze River
delegate power to the lower levels; shift of power to the grassroots
left lower quadrant
delegate the authority to examine and approve to lower levels
vanquished lower origin
right lower quadrant
upper leg (lower cxtremity )
lower plant