impervious material
短语词组
- impervious s material 不透水物料
- impervious earth material 防渗土料
- impervious liner material 防渗衬层材料
- dam core impervious material 大坝心墙防渗掺合料
- hard impervious material 坚硬不透水物料
- core impervious material 心墙防渗料
- A material impervious to water 不透水的材料 返回 impervious material