縮孔
拼音：suō kǒng英文解釋：
【化】 shrink(hole); shrinkage(cavity); sink; sinkhole漢語造句：
- 解決球鐵鑄造內部縮孔問題。Solve the problem of internal shrinkage of magnesium iron foundry.
- 機車長轂輪芯鑄件縮孔縮松預測Shrinkage Prediction of Locomotive Long Hub Core Casting
- ADI工具機齒輪縮孔缺陷的研究The Study about Shrinkage Defects of Machine Tool Gears Made of ADI
- 形成縮管凝固時形成縮孔To develop conical cavities during solidification.