preform
形容词: 1. 形容词preform表示“事先准备好的”或“预制的”,指的是事先经过处理或加工的,以便于进一步加工或使用。 2. 形容词preform还可以表示“预先定型的”或“预定形状的”,指的是在最终形成之前已经具备了特定的形状或结构。 名词: 1. 名词preform指的是一种用于制造塑料或玻璃制品的预制物,通常是具有所需形状但尚未成品化的物体。 2. 名词preform还可以指代预先制定的行为或动作的模式。词语辨析:
- preform与prefabricate的区别: - preform指的是在进一步加工或使用之前经过处理或加工的事物,强调的是事物的准备或预制过程。 - prefabricate指的是事物在工厂或其他地方事先制造好,然后在现场进行组装的过程,强调的是事物的制造过程。词汇扩充:
- preformable:形容词,可预先制定的,可提前成型的。近义词:
- prepared - shaped - fabricated反义词:
- unformed - unprepared - shapeless柯林斯词典解释:
牛津词典解释:
用法:
- The company preforms plastic bottles before shaping them into their final form. - The preform of the sculpture was made from a mold. - The preform is heated and then blown to create the final glass product.例句:
- The plastic is preformed into the shape of a bottle.
- The clay is preformed and then baked.
- These sheets of metal are preformed to fit the shape of the car body.
- The glass preform is heated and then blown into the final shape.
- The preform of the statue was made from clay.
- The company preforms plastic bottles before shaping them into their final form.
- The preform of the sculpture was made from a mold.
- The preform is heated and then blown to create the final glass product.
- They preform the plastic material into various shapes.
- The preformed metal sheets are ready for assembly.
- Before casting, the preform is coated with a release agent.
- The preform of the dress is tailored to fit the model perfectly.
- He uses preform techniques to shape the clay before firing it.
- Preform production involves shaping the material into a preliminary form.
- The preform is then machined to achieve the desired final shape.
- The preform stage of the manufacturing process is critical for quality control.
- She preforms the dough into small balls before baking them.
- They preform the glass tubes into specific shapes for scientific experiments.
- The preform is carefully molded to ensure accuracy and precision.
- Preformed concrete blocks are used in the construction of the building.
- After preforming the metal, it is welded together to create the final structure.