diamond core drill bit
常见例句
- A new type of thin-wall diamond core drill bit is developed through the analysis of drilling feature on the R.
通过对在钢筋混疑土、花岗岩等建筑物上钻孔特点的分析，本文设计了一种新型的取芯式薄壁金钢石钻头。 - A new type of thin-wall diamond core drill bit is developed through the analysis of drilling feature on the R. C and granite structures.
通过对在钢筋混疑土、 花岗岩等建筑物上钻孔特点的分析，本文设计了一种新型的取芯式薄壁金钢石钻头。 返回 diamond core drill bit