词汇	high gas drainage roadway
释义	high gas drainage roadway 高抽巷
随便看	Heaviside layer heaviside layers heaviside lorentz's system of units Heaviside-Lorentz System Heaviside Lorentz system of units Heaviside-Lorentz system of units Heaviside lorentz unit heaviside-lorentz unit Heaviside-Lorentz unit heaviside -lorentz unit heaviside-lorentz units heaviside mutual-inductance bridge Heaviside, Oliver heaviside rational units Heaviside rs expansion theorem heavisides heavisides expansion heaviside's expansion formula Heaviside's expansion theorem heaviside's operational calculus heaviside step function Heaviside unit function Heaviside units heaviside unit voltage heavisome