1) coal-cumulating area
聚煤区
1.
Tested the arsenic content of 297 coal samples which were taken from twenty six Province, municipalities and autonomous regions of China, then analyzed and saw about the distribution of arsenic in China with different geological ages, different coal ranks, different coal-cumulating areas.
通过对全国26个省、市、自治区采样的297个煤样中砷含量进行分析测试,从不同地质时期、不同变质程度,以及五大聚煤区等系统分析和考查我国煤中砷的分布状况。
2.
Then we analysed the distribution of total sulphur in coals with different geological ages, different coal ranks, different regions, different coal-cumulating areas.
通过对全国26个省、市、自治区采集的290个煤样中全硫含量进行分析测试,从不同地质时期、不同变质程度、不同地区以及四大聚煤区等方面,系统分析和考查了中国煤中硫的分布状况。
3) Daxinanling gathers the coal district
大兴安岭聚煤区
1.
Daxinanling gathers the coal district is the early chalk world gathers the coal deposition.
大兴安岭聚煤区是早白垩世聚煤沉积。
4) coal accumulation
聚煤
1.
Syndepositional structure and coal accumulation in Tiefa basin;
铁法盆地同沉积构造与聚煤
5) a coal field
煤田, 煤矿区
6) coal accumulation extent
聚煤程度
补充资料：标准煤(见煤当量)
标准煤(见煤当量)
standard coal
、~‘~1人、4《1工兀飞coal)见煤当等
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条