词汇	usage motivation
释义	usage motivation 使用偏好
随便看	Shield Test Air Facility Reactor shield test apparatus 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