例句 /

In solvent extraction in the manufac ure of numerous natural and synthetic products such as antibiotics,hormones and vitamins.As a chemical intermediate in the production of plasticisers,flotation agents etc.

In solvent extraction in the manufac ure of numerous natural and synthetic products such as antibiotics,hormones and vitamins.As a chemical intermediate in the production of plasticisers,flotation agents etc.

以溶剂萃取法生产抗生素,荷尔蒙及维生素等产品时所用之溶剂.作为制造增塑剂,浮选剂等之中间体.