The acute toxicity of various concentrations of copper sulfate to Charybdis japonica was determined,and the safety concentration was 0.50 mg/L.是什么意思_The acute toxicity of various concentrations of copper sulfate to Charybdis japonica was determined,and the safety concentration was 0.50 mg/L.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句