1. The main products are cutting drills of high speed twist drill, all-grinded drill, finished drill, prick handle drill, carpenter drill, civil l engineering drill and so on. 高速麻花钻,全磨钻,抛光钻,锥柄钻,木工钻,建工钻等切削类钻头。
2. The design is about reconstructing the ordinary drill to a multiple drill. The ordinary drill is a single drill. 本设计是关于普通钻床改造为多轴钻床的设计。
3. The design is about reconstructing the ordinary drill to a multiple drill. The ordinary drill is a single drill. 本设计是关于普通钻床改造为多轴钻床的设计。
4. By forming a thin film around the drill bit, drill assembly, thus preventing the balling of the drill bit and drill pipe, the ROP accelerators rendered the mud lubricity and in cre… 机械钻速提速剂能在钻头、钻具组合等金属表面形成一层薄膜,防止钻屑黏附于钻头和钻具上发生泥包,从而起到润滑的效果,提高了钻速。
5. Introduced about the principles and features of ZD150 type big hole drill and discussed the main facts for influence on the highly quality of the drill hole. 介绍了ZD150型大孔径钻机的工作原理及高质量钻孔的特征,论述了影响高质量钻孔的主要因素。
网络释义
boring rod drill-bar drilling rod drill pipe drill rod drill stem 钻杆;
boring rod drill-bar drilling rod drill pipe drill rod drill stem 钻杆;
boring rod drill-bar drilling rod drill pipe drill rod drill stem 钻杆;
boring rod drill-bar drilling rod drill pipe drill rod drill stem 钻杆;
boring rod drill-bar drilling rod drill pipe drill rod drill stem 钻杆;