Subira叙比拉（音译名）subn.潜艇；替代品vi.替代vt.转包合同substandard surface layers低空大气层subgrade in soft soil zone软土地基subsurface pedestrian link地下行人系统subdivision-and-adding细分叠加subconjunctival anesthesia结膜下麻醉submucous layer of bladder膀胱粘膜下层substitude energy strategy代用能源战略sublevel open stope method分段无充填工祖采矿法subluxation of the patella髌骨半脱位Subsurface Propulsion Unit水下推进装置