人和陆生动物排泄物含有可溶的难处理有机物质。
The excreta of humans and land animals contain soluble refractory organic matter.
水生动植物如鱼、蛙、龟、蛇等的排泄物中也会含有类似的难处理的物质。
The excreta of aquatic animals-fish frogs turtles snakes etc-contain similar refractory materials.
水生动植物如鱼、蛙、龟、蛇等的排泄物中也会含有类似的难处理的物质。
The excreta of aquatic animals - fish, frogs, turtles, snakes, etc - contain similar refractory materials.
水生动植物如鱼、蛙、龟、蛇等的排泄物中也会含有类似的难处理的物质。
The excreta of aquatic animals-fish, frogs, turtles, snakes, etc-contain similar refractory materials.
焦化废水由于含有大量的难生物降解与有毒物质，因而成为公认难处理工业废水之一。
Because coke sewage contains lots of hard-biodegraded and toxicant substances, it is considered one of the industrial waste water which is difficult to purify.
人们现在享受着更好的物质生活，但是他们也扔掉大量的废品垃圾，这些都是很难处理的。
People enjoy better material life now, but they throw away a huge number of waste products, which are hard to deal with.
含染料废水具有难降解物质多、有机物成分复杂、浓度高、毒性大等特点，是国内外公认的难处理工业废水之一。
Dyestuffs wastewater is featured by complicated organic matter composition, high density and toxicity, and is difficult to degradate bio-chemically.
由于含有大量的难生物降解及有毒物质，因而成为公认难处理工业废水之一。
The traditional method to deal with the coke plant wastewater is a means using by the active dreggy mud, which has less effect on the hard-degraded substance and ammoniacal nitrogen.
由于焦化废水中含有大量的难生物降解以及一些有毒还对微生物有害的物质，而且其可生化性差，因而焦化废水成为公认难处理工业废水之一。
Because coke sewage contains lots of hard-biodegraded and toxicant substances, It is considered to be one of the most difficult industrial wastewater to purify.
由于焦化废水中含有大量的难生物降解以及一些有毒还对微生物有害的物质，而且其可生化性差，因而焦化废水成为公认难处理工业废水之一。
Because coke sewage contains lots of hard-biodegraded and toxicant substances, It is considered to be one of the most difficult industrial wastewater to purify.
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