| |||
dotting instrument | |||
roulette; tracer; tracing wheel; tracing wheel-stitch; pricking wheel | |||
| |||
tracing wheel |
点线 器 : 23 phrases in 10 subjects |
Air defense | 1 |
Automobiles | 3 |
Communications | 1 |
Construction | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 1 |
Metallurgy | 2 |
Space | 1 |
Technology | 8 |
Textile industry | 4 |