【建筑】钎柄【建筑】采矿钻井杆的钻坯

人发角蛋白神经导管诱导兔胫神经缺损部分再生时泛素的表达及分布

a bit of

bit

(not) in the least/the least bit

translation mode bit

boring bit

rotary drill bit (rotary boring head) deep drilling

bit location【计】;bit position【计】;bit site【计】

bit