preform

音标[pri:'fɒ:m]

汉语翻译

vt. 预先形成
n. 预成型品
【电】在盘记录中, 用以压制的小记录材料片

preform词型变化

动词过去式:preformed 过去分词:preformed 现在分词:preforming 第三人称单数:preforms

preform英语解释

动词 preform:

form into a shape resembling the final, desired one
form or shape beforehand or determine the shape of beforehand

preform详细解释

pre.form

v.tr.（及物动词）
pre.formed,pre.form.ing,pre.forms
To shape or form beforehand.
预先塑造或形成
To determine the shape or form of beforehand.
预先决定形状或形式
n.（名词）
An object that has been subjected to preliminary, usually incomplete shaping or molding before undergoing complete or final processing.
预成型件：在进行彻底和最后加工之前已进行初步的，通常是不完整的塑造或铸造的事物