Introduces the hydrological geology and water harmful conditions in Guzhuang coal mine, analyses the harmful present conditions, puts forwards the preventive technology.

介绍了固庄煤矿水文地质条件和水害情况，并对水害现状进行分析，提出了相应的防治技术。

youdao

Water is not an effective shield against the sun's more harmful rays.

水不能有效阻挡太阳中更有害的射线。

《牛津词典》

Dirty air and water are harmful.

肮脏的空气和水是有害的。

youdao

The chip removed ninety-nine percent of the salt and other harmful substances from water samples.

VOA: special.2010.04.05

The process apparently creates high concentrations of potentially harmful water contaminants.

FORBES: Magazine Article

Teens design pedal-powered filtration system: High-schoolers Payton Karr and Kiona Elliot , from Oakland Park, Florida , led a team of inventors who designed a collapsible, transportable, bicycle-powered emergency water-sanitation station that filters E. coli and other harmful pathogens from contaminated water.

WHITEHOUSE: The White House

Because solar power production makes the most sense in sunny, arid climates, this is precisely where consuming scarce water resources is most harmful to the environment.

FORBES: Obama Unites Global Warming Alarmists, Skeptics In Presidential Debates