词汇	雾信号系统
释义	雾信号系统 fog singnal system
随便看	envelope bag envelope barrier envelope b domain protein envelope budgeting envelope cancellation envelope capacity envelope card envelope card weighting envelope cartridge envelope cell envelope chemise envelope-closing machine envelope conformation envelope constrained envelope construction envelope contour envelope correlation envelope delay data envelope delay distontion envelope delay distortion envelope-delay distortion envelope delay distortion meter envelope delay equalizaiton envelope delay equalization envelope delay frequency