地沟油含有致癌和有毒物质。
它也可以被配备成感测和避免在地有毒物质。
It could also be equipped to sense and avoid toxic substances in the ground.
该技术没有有毒物质挥发、排放，对人体和环境无害，安全可靠。
Novolation of poisonous material, no harm to the health of human body and environment.
亚硝酸盐是一种有毒物质，对鱼类和无脊椎动物有毒。
Nitrite is a substance that is toxic to fish and invertebrates.
亚硝酸盐是一种有毒物质，对鱼类和无脊椎动物有毒。
Nitrite is a substance that is toxic to fish and invertebrates.
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