molding material造句怎么写

Amino molding materials modified by phenolic resin possessed better processing properties and increased toughness.

The preparation of a kind of environmental protection type amino molding material has been narrated. Its environmental protection norms met the needs of Germany Volkswagen Auto Company's requirement.

a polymer of propylene used as a thermoplastic molding material.

It is an effective way of eliminating the occurrence of silicosis in fettling workers by substituting silica with limestone as molding material in steel casting factory.