在设计中，那些高毒性物质被密封在原先用来堆放矿石的库房中。
The design placed highly toxic material in sealed bunkers that were earlier used to store iron ore.
这些高毒性物质通常是从煤或沥青炼制而来，而有导致癌症的可能。
These are usually highly toxic substances from coal or from asphalt refining, and has led to cancer.
摘要硝基苯类化合物是高毒性物质，难以生物降解且对生化反应有抑制和毒害作用。
Nitrobenzenes compound is the high poisonous substance which is difficult to be biodegraded and can inhibit and poison biochemical reaction.
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