Add the appropriate place once, on cooling forming or film-forming, becoming a very small contraction of the solid elastomer.

一经放入适当位置，就冷却成型或成膜，成为收缩性很小的坚固的弹性体。

youdao

Add the appropriate place once, on cooling forming or film-forming, becoming a very small contraction of the solid elastomer.

一经放入适当位置，就冷却成型或成膜，成为收缩性很小的坚固的弹性体。

youdao