将2 0 %甲基立枯磷乳油施于油菜中，采用气相色谱分析技术研究甲基立枯磷在油菜叶片及油菜籽中的残留降解情况。
The residue and degradation of tolclofos-methyl was studied by gas chromatography after 20% tolclofos-methyl EC had been applied to the rape field.
将2 0 %甲基立枯磷乳油施于油菜中，采用气相色谱分析技术研究甲基立枯磷在油菜叶片及油菜籽中的残留降解情况。
The residue and degradation of tolclofos-methyl was studied by gas chromatography after 20% tolclofos-methyl EC had been applied to the rape field.
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