The results have shown that the product have good heat-resistant property,high m echanical property and chem ical resistant property.

 
  • 結果表明:所得對苯型不飽和聚酯樹(shù)脂具有較高的耐熱性、優(yōu)良的力學(xué)性能和耐化學(xué)腐蝕性能。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan