钻头体 meaning in English
bit body
bit frame
body of the bit
Examples
- An auto - positioning device for determining the depth of boring hole
高炉开铁口机的改造及其钻头体的设计制造 - It is welding drills that jion up with bit body , core barrel and adaper . it drills hole quickly and steadily . the surface of drilling and coring is smooth
它是一种焊接式钻头，由短钻头体，取芯管和接首三者联结而成，钻孔快而稳，岩芯表面光滑。