短語詞組短語precipitating jar 沉淀缸precipitating action 沉淀作用precipitating bath 沉淀浴precipitating pond 沉淀池ethanol precipitating 乙醇沉淀Tca Precipitating 三氯乙酸沉淀ion precipitating 沉淀離子precipitating hapten 沉淀性半抗原precipitating phase 沉淀相;析出相;沉淀段precipitating agent 沉淀劑 返回 precipitating