| 单词 | drill bit |
| 释义 | drill bit in the Oil and Gas Industry (drɪl bɪt) Word forms: (regular plural) drill bits noun Types of bitThe following are different types of bit. mill tooth bit PDC bit roller cone bittricone bittungsten carbide insert studded bit(Extractive engineering: Field development, Equipment) drillA drill bit is a tool used to cut or crush rock. With rotary drilling, a hole is drilled by the continuous turning of a drill bit. The drill bit is the mechanism that cuts into the ground layers to reach the gas deposit or tocut a core sample. A drill bit is a tool used to cut or crush rock. |
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