preform

preform的英语例句

1. Most preform moulds are rectangular and are longer than they are wide.

   大多数的瓶坯模具呈长形,就是长度比阔度大.

2. Two Methods: Used to liquid impregnate carbon fiber preform are introduced.

   介绍了液相浸渍炭纤维坯体的两种方法.

3. The fabric is used as preform for thermoplastic textile - reinforced composite modules.

   这种织物被用作热塑性纺织增强复合材料模件的预型件.