| |||
unlubrication friction | |||
solid friction; unlubricated friction | |||
dry friction (力); unlubricated friction (力) | |||
dry friction |
干摩擦 : 15 phrases in 8 subjects |
Automobiles | 1 |
Aviation | 1 |
Construction | 1 |
Oil / petroleum | 3 |
Rail transport | 2 |
Space | 4 |
Technology | 2 |
Wind Energy | 1 |