双语例句
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The invention discloses a continuous quantitative suspension dosing device of liquid molluscicide, which belongs to the technical field of snail control of prevention and cure of schistosomiasis.
一种连续可定量的液体灭螺药物混悬投药装置，属于血吸虫病防治之灭螺技术领域。
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Objective To evaluate the snail control effect of 4% powder of niclosamide ethanolamine salt in the field.
目的评价4%氯硝柳胺乙醇胺盐粉剂现场灭螺效果。
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Objective to research snail control effect with magnesium borate ore powder in laboratory, field trials and field application.
目的观察硼镁石粉室内灭螺效果和现场应用效果。
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