1. Common bit ranges are 8-bit color (256 colors), 16-bit color (thousands of colors), and 24-bit color (millions of colors). ͨһΧ8λɫ256ɫ16λɫǧɫԼ24λɫɫ
2. Because one-cone bit has the advantages of the three-cone bit and the PDC bit and it makes for their disadvantages, so the one-cone bit is the important chose to drill the small well. ̽¼ķչͳҪͷߴСͻڵͷͷPDCͷŵ㣬ͬʱֲ˶ߵIJ㡣
3. The least significant bit is called the low-order bit; the most significant bit is called the high-order bit. ЧλΪλЧλΪλ
4. The least significant bit is called the low-order bit; the most significant bit is called the high-order bit. ЧλΪλЧλΪλ
5. In this paper, a new small-sized bit is introduced. The bit is mainly composed of a biassed polyconic cutter, a cylindric roller and two bit legs. ½һСߴͷҪһƫõĶֺһԲιּɡ
bit bore bit drill bit drilling steel ͷ;
bit bore bit drill bit drilling steel ͷ;
Quicker lots bit by bit ٶȼӿܶ;
bit snaffle stiff-bit ;
gradually bit by bit little by little foot by foot stage by stage by degrees ;