1) individual twist drill
专用麻花钻头
3) specialized drill bit
专用钻头
1.
In foreign drill bit companies,the design method with simulation technology as core is used to design the specialized drill bit.
国外钻头公司采用以仿真技术为核心的设计方法设计专用钻头,既为公司创造了利润,又为钻井队节约了成本。
4) special drilling head
专用钻削头
5) Conical Twist Drill Head
锥形麻花钻头
6) standard fried dough twist
标准麻花钻头
1.
The standard fried dough twist operation is an essential basic fitter of practical task,The artide mainly introduce the various bits angle grinding,operation essentials,safety rules and so on.
标准麻花钻头刃磨是钳工专业的一项最基础的实习课题,主要介绍钻头的各个角度,刃磨操作要领,安全操作规程等。
补充资料：非法购买增值税专用发票、购买伪造的增值税专用发票罪
非法购买增值税专用发票、购买伪造的增值税专用发票罪：指违反国家发票管理法规，非法购买增值税专用发票或者购买伪造的增值税专用发票的行为。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条