钎尾扩眼针

(not) in the least/the least bit

bit

take the bit between the teeth

bailer, valve drill bit (valve auger)

rotary drill bit (rotary boring head) deep drilling

auger bit【机】[专业]杆式取土样器\nearth auger【建】;fluted twist drill【机】;spiral drill【机】

presetting bit

bit-by-bit search【计】