Add the appropriate place once, on cooling forming or film-forming, becoming a very small contraction of the solidelastomer.
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。
2
Solid granules medium forming new technology (SGMF) is a technology which USES solid granules medium instead of rigid punch (or elastomer, liquid) to achieve the sheet forming.
固体颗粒介质成形新工艺，是采用固体颗粒代替刚性凸模(或弹性体、液体)的作用，对金属板料成形的工艺。
3
The liner is a polymeric elastomer coating between propellant and insulation layer or case. The liner-forming is a special step in production of solid rocket motor.