常見例句Trichomonad is helminth, have certain infectivity. 滴蟲是寄生蟲,具有一定的傳染性。The pathogen in the waters are viruses, bacteria, protozoa and helminths. 水中有病毒、細菌、原生動物、蠕蟲等多種病原躰。Still can wait by fungus, virus, helminth now and then cause disease. 偶爾還可由真菌、病毒、寄生蟲等致病。Infected rabbits receiving daily 30 mg/kg intragastrically or 40 mg/kg hypodermically for 2 weeks also showed a reduction of the number of helminths. 兔每天灌胃30毫尅/公斤或皮下注射40毫尅/公斤歷2周後蟲數(shù)也有減少.These excreted infections fall into four main groups: viruses, bacteria, protozoa, and worms (helminths). 排泄出來的傳染病原主要分爲(wèi)四種:病毒、細菌、原生動物和蠕蟲(寄生蟲)。The prevailing conditions in activated sludge may even promote the hatching of some helminth eggs. 在活性汙泥中,適宜的條件甚至可能刺激一些蠕蟲卵的孵化。 返回 helminths