This move, first initiated by Rhone-Poulenc, was fully endorsed by its successors Aventis and then Bayer.
该举措首先开始于罗纳普朗克，并先后被它的接任者安万特和拜耳认同。
2
The operating condition of Rhone-Poulenc process and the equipment for phosphoric aicd concentration in phosphoric acid plant of Guixi Fertilizer Co. , Ltd. are described.