preform
美式发音: 英式发音: [priː'fɔːm] 过去分词：preformed 现在分词：preforming 第三人称单数：preformsv.1.预先形成[决定]2.把...初步加工,对(宝石等)粗加工
n.1.初步加工的成品;压片;雏形,塑坯预塑;(录音用)盘料;经过粗琢的宝石
v.1.to shape or form something beforehand2.to give something a preliminary shape
1.预成型 49、Power Supply 电源供应器 50、Preform 预制品 51、 Purple Plague 紫疫 ...
5.预成型坯 prefinishing stand 预精轧机座 preform 预成型坯 preforming 预成型 ...
6.预成型体 它是把增强材料切成或制成预成型体（Preform） ， 放入模腔之中。 预成型体放置于合适的 位置， 以保证模具的密封。
造句带翻译释义:,初步加工的成品,压片,雏形,盘料,预先形成[决定],把…初步加工,预成型,预型体,预成形1.A cooling circuit for a neck ring of a preform is conformed to the surface of the neck ring by providing a neck ring in two parts.本发明提供一种用于一预成型件的一颈环的冷却回路，其通过以两部分提供一颈环来与所述颈环的表面相配。
2.The preform is formed by an upper neck which maintains unchanged its form in the final object and a hollow body, joined to the neck.预型件成形为具有保持其形状在成品中不变的上颈部和连接到该颈部的中空体。
3.The preform growth during the stretching and blowing was captured through a transparent mold and used to verify the simulation results.研制了全透明拉伸吹塑模具，通过可视化实验对模拟结果进行验证。
4.And preschool-age children are easy to preform altruistic behavior to their teachers.学前儿童对不同对象的利他选择存在差异，幼儿更易于对教师作出利他选择。
5.The Bakelite resin could be compression molded from a loose powder or compressed into a preform, then molded.胶木（即酚醛树脂）可从松散的粉末压缩模塑或先压缩预制成型，然后模塑。
6.A holey fiber can be produced by drawing the holey porous preform, after having submitted it to a consolidation process.可通过将多孔疏松预制棒送入固结工序之后拉丝该多孔疏松预制棒而制造多孔光纤。
7.With more than 20 years of experience in packaging system production, SIPA increases today the preform production range PPS.拥有在包装系统生产方面20余年的经验，西帕今天又增加了瓶坯生产系列PPS。
8.The silica bar may be a supporting silica bar of a glass working lathe support for overhanding the primary preform.二氧化硅棒可以是用于将给初始预型体涂上包层的玻璃制品加工车床支架的支撑二氧化硅棒。
9.Relative to the optical fiber preform, the characteristics of its large size, refractive index profile measurement method is unique.光纤预制棒相对于光纤而言，由于其尺寸大的特点，折射率分布的测量方法具有独特性。
10.Depending on your application, the preform flux may be included internally or externally.根据用户的应用情况，预成型件焊剂可以内置或外加。