道路当量轴载换算系数
conversion factor road equvalent axle load
车辆当量换算系数
vehicle equivalent conversion coefficient
当量换算系数
equivalent modulus coefficient
质量能量换算系数
mass energy conversion coefficient
荷载换算系数
conversion coefficient of load
腐殖当量系数
coefficient of humus equivalence
小客车当量换算
Passenger car equivalents
小客车当量换算值(PCE)
breakage due to lightning strike
食物能量换算系统
food energy conversion systems
energy conversion system