| |||
cross mouthed drill; cross bit | |||
cross-bladed chisel bit (头); cross-cut bit (头); cross-edged bit (头); cross matched drill (头); cruciform bit (头); star drill; star-type bit (头); X-bit (头); X-chisel (头) |
十字 形 钻 : 24 phrases in 8 subjects |
Bridge construction | 2 |
Drilling | 2 |
Engineering geology | 3 |
Explosives and Explosive Ordnance Disposal | 2 |
General | 1 |
Geology | 1 |
Oil / petroleum | 5 |
Technology | 8 |