常見(jiàn)例句Stomatal, dispersed shrinkage, shrinkage cavity, sonim and slag inclusion belong to this kind of defect. 屬于這種類型的缺陷有氣孔、縮松、縮孔、夾砂、夾渣等。FRP sonim pipe 玻璃鋼夾砂管道 返回 sonim