涂镀金属陶瓷或陶瓷的涂层液压缸的制造工艺过程中，不产生对人类有害有毒的物质，不污染空气，不污染环境。
No substance harmful or toxic to human is generated, no air and environment pollution occurs during manufacturing process of hydraulic cylinder coated with metal ceramic or ceramic.
Sherwin 最近对家养母鸡的实验并不支持这样一种观点，即鸟类的社会学习必然会促使它们对有害或有毒的新食物产生反感。
Sherwin's recent experiments with domestic hens do not support the notion that avian social learning necessarily facilitates aversion to novel foods that are noxious or toxic.
世界各地都有假冒药品，范围从有害有毒物质的随机混合物到无活性无效物质。
Counterfeit medicines are found everywhere in the world. They range from random mixtures of harmful toxic substances to inactive, ineffective preparations.
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