close zero velocity field
correction of zero line
Zero line
零线
零位线
零基线
零值线
零速度线
0域
0线
基线
起点线
基准线
中性线
zero line connection protection
sonic wave line velocity
velocity line of arc line short band
zero voltage zero current switching
ratio of pulp velocity and sire velocity
velocity derived from velocity spectrum
A line used as both sterile and maintaining line
agonic line {agonic line of no declination}
Dual purpose line with nucleic male sterile line
Fault Cutoff Line Allan Line
Male sterility line and maintainer line
zero distance connection
zero capital of operating