缓和加氢裂化过程
mild hydrocracking process
换档过程
Gear-shift
Gear-shifting process
shift process
transient process in shifting
换流过程
current change procession
commulation processes
transition process
换气过程
gas exchange process
scavenging process
Scavengine process
Intake and exhaust process
换相过程可视化
visualization of the HVDC commutation process
换相过程线性化
Commutation process linearization
换向过程
commutation phenomena
commutation progress
effect of commutation current
黄色仿翡翠的鉴定过程
identification process of yellow imitation jadeite