近年来大庆油田油水处理系统中硫化物问题十分严重，严重影响安全生产和油水处理效果。
Severe problems of sulfide have been caused for recent years in Daqing Oilfield, which severely influences on safety production and oil-water treating effect.
排矸场边坡是由煤矿开采过程中产生的煤矸石及碎石土堆积而成，其稳定状况严重影响着矿区的生产与安全。
The coal gangue dumping site slope is mainly deposited by coal gangue and stony soil, and its stability condition seriously affect the mine's production and safety.
我国有56%以上的矿井存在煤层自然发火危险，煤炭自燃火灾严重影响煤炭的安全生产。
There are more than 56% of mines in our country exist seams spontaneous combustion danger, seams spontaneous combustion fire serious influences coal safety production.
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