词汇	group of beds
释义	group of beds 岩层群
随便看	copolymer resin copolymer resins copolymer rubber copolymers co-polymers copolymer scale inhibitor Copolymers-composition copolymers derivatives as well Copolymer Size Mixture copolymers of aliphatic copolymers copolymers of aliphatic copolymers with three copolymers of derivatives copolymers of derivatives of unsaturated acids copolymers of monoolefinic copolymers of monoolefinic unsaturated copolymers of unsaturated carboxyclic rings copolymer structure Copolymers with a-methylstyrene copolymer technology copolymer textile fiber copolyme silicone microspheres copolymicmspheres copolyol copolyoxamide copolyoxymethylene