例句 /

The structure of di-n-propyl phosphite and propaphos prepared were identified by IR and 1H-NMR spectra.

The structure of di-n-propyl phosphite and propaphos prepared were identified by IR and 1H-NMR spectra.

二正丙基亚磷酸酯和丙虫磷的结构用IR和1H-NMR表徵。