气门座研磨 | |
auto. | valve-seat grinding |
"BP 机" | |
telecom. | beeper |
机 | |
gen. | machine; apparatus; device; engine |
tech. | electric machinery; electrical machinery |
wind. | confined vortex wind machine |
BP机 | |
gen. | beeper |
| |||
valve-seat grinding |
气门座研 磨 : 4 phrases in 1 subject |
Automobiles | 4 |