SAE干式密封短外锥管螺纹
dryseal sae short external taper pipe thread
S(2)短扰码
S(2) short scrambling code
S 2短扰码
S 2 short scrambling code
r条最短路径
the first Rth shortest path
QoS扩展的开放最短路径优先
QoS-extended Open Shortest Path First QOSPF
N-最短路径算法
N-shortest paths algorithm