覆膜的

The result shows that it can effectively prevent the flammable liquid volatilizezing from the solid alcohol fuel by coating polymer on surface for the environment - friendly purpose.

结果表明,通过高分子覆膜工艺,以有效地抑制固体料性液体的挥发,达到安全环保的作用。

Compared with that of furane resin bonded sand,the feasibility of phenol resin bonded sand in forming a uniform coating layer in the inside mould surface is studied as well.

本文分析了在铸型的成型条件及光洁内表面的形成机理，并对了覆膜和呋喃自硬在铸型内表面形成均匀覆层的行性。