In the research area, the coal series in late Palaeozoic era were mainly formed from epeiric sea - coastal plain environment.
研究区晚古生代含煤岩系主要形成于陆表海—海岸平原环境中。
The coastal zone is the sea and the land correlation region, its environment evolution is active but complicated.
海岸带是海洋和陆地交互作用的地带，其环境演变是一个活跃而复杂的过程。
This product is mainly used for salt with chlorine mainly corrosive environment, such as offshore and coastal engineering, use sea sand and chlorine salt liquor. the of industrial building etc.
本品主要用于以氯盐为主的腐蚀环境，如海工与沿海工程、使用海砂以及有氯盐腐蚀的工业建筑等。
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