| 气 |
qì zuàn | pneumatic drill |
| 气 |
qì | gas; air / smell / weather / to make angry; to annoy; to get angry / vital energy; qi |
| 钻 |
zuàn | variant of 钻 |
| 钻 |
zuān | to drill / to bore / to get into / to make one's way into / to enter (a hole) / to thread one's way through / to study intensively / to dig into / to curry favor for personal gain |
| 钻 |
zuàn | drill; auger / diamond |