词汇	hazard variation
释义	hazard variation 危险性的变化
随便看	shield test attaratus shield test facility shield-test facility shield test pool facility shield test reactor shield the evildoer shield thickness shield tnnnel shield-toad shield tool shield tunnel Shield Tunnel and Rock Tunnel shield tunnel boring machine shield tunnel construction shield tunnel Entr ance/Exit Ring Shieldtunneling shield tunneling shield-tunneling shield tunneling construction Shield tunneling direction control technology shield tunneling machine shield tunneling method shield tunneling technology Shield tunnel in rock shield tunnelling