concealvt.隐藏;隐瞒;掩盖
concealed outcrop隐蔽露头
concealed orebody隐伏矿体
concealed dumping隐蔽倾销
concealment paint暗漆
concealed manhole隐蔽孔
concealed disease匿病
concealed granite隐伏花岗岩
concealed reentry隐匿性折返
concealed bracing暗支撑
Concealed Writing潜在写作