Thermal gradient resistance 耐温差性

equivalent gradient resistance 计算坡道阻力

added resistance gradient 附加阻力梯度

additional resistance for gradient 坡道附加阻力

resistance gradient 电阻梯度

flow resistance gradient 渗流阻力梯度

drought resistance gradient axes 抗旱梯度轴

drought resistance gradient values 抗旱梯度值

gradient value of fire resistance 抗火性梯度值