preform

音标发音

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.
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.
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.
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.
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.

预制体
预制件
It is prerequisite to measure the three-dimensional braided composite materials preform s technical parameters in the process of its design and production.
在三维编织复合材料预制件的研制和生产过程中，需要测量和分析材料的工艺参数。
预成型体
预制块
The composites were observed by light microscope. The combination quality of matrix between composite layers is deteriorated when density of preform is increased.
通过光学显微镜对复合材料组织进行研究,发现随着Ti-C体系预制块致密度的提高(50%～65%),复合材料中过渡层质量下降。
预成形坯

预成形
The proposed FEM preform optimization method is very effective and overcomes abuse of experience design.
所提出的有限元模拟预成形优化方法十分有效,克服了以往凭经验设计的弊端。
预先形成

预制棒
And Erbium-doped fiber preform is fabricated using this method.
并利用这种方法实际制作了掺铒光纤预制棒。
计算机科学技术
预制件
It is prerequisite to measure the three-dimensional braided composite materials preform s technical parameters in the process of its design and production.
在三维编织复合材料预制件的研制和生产过程中，需要测量和分析材料的工艺参数。
预制体
However, there are still many difficulties in mass production of qualified preform of paper-based friction material using manual sheet-making apparatus. So a semiautomatic sheet-making apparatus was designed to make an improvement.
借鉴于造纸工艺的碳纤维增强纸基摩擦材料预制体成型工艺——“抄片”，成为保证预制体增强纤维、摩擦性能调节剂和填料在预制体中均匀分布的重要一环。
材料科学
盘料