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
velocity line of arc line short band
building gypsum retarder
car retarder
车减速器
阻车器车辆减速器
车辆减速器
捕车器
装车台
轨道制动器
阻车器
cement setting retarder
eddy current retarder brake