The content of the frames consists of wood-based panels, with a subtle green haze because of their impregnation, alternating with expanded metal grills on the Windows.
框架的内容由木质板构成，由于它们的相互浸透、以及与窗口金属框的交替。
2
The newly developed composite piping that composed of three layers materials such as metal, ceramic and polymer was made by reactive processing technology and reactive impregnation technology.
该新型复合管道是由金属、陶瓷、聚合物三层材料组成，通过反应加工工艺和反应浸渍工艺复合而成。
3
C/C composites with refractory metal compounds were prepared by liquid impregnation, the distribution state of refractory metal grain was observed by optical microscope and surface scan.