preform
音标发音
- 英式音标 [priː'fɔːm]
- 美式音标 [pri'fɔrm]
- 国际音标 [pri:'fɔ:m]
- 英式发音
基本解释
- vt.预先形成;预制
- n.预成型件;雏形
英汉例句
- 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.
词组短语
- Fabric preform 织物预成型
- preform binder 预成型粘合剂;预成型接合剂
- preform machine 预成型机
- preform moulding 预成型模塑
- Preform System 注塑系统
短语
专业释义
- 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
- 预成型坯