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,通过高分子工艺,可以有效地抑制料中可性液的挥发,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.

本文分析研究了在铸型中的成型条件及光洁内表面的形成机理，并对比研究了呋喃自硬在铸型内表面形成均匀层的可行性。