单词	hell holes
释义	hell holes 🌏地狱洞
随便看	noise in sources noise inspector noise in steel enterprises production noise insulated noise insulated cover noise insulating facility noise insulating material noise insulating panel for pantograph noise insulation noise-insulation door noise insulation equipment noise insulation factor noise insulation factorn.i.f noise insulation glass noise insulation installation noise-insulation installation noise-insulation window noise insulator factor noise intensity noise intensity contour noise-intensity contour noise interference noise interference level noise interference sensititity noise interference sensitivity