Ramu拉穆ramn.公羊；撞锤；撞击装置；有撞角的军舰；（水压机的）活塞v.撞击；填塞；强迫通过或接受abbr.随机存取存储器(=random access memory)Ram.n.白羊座ram coefficient流速头利用系数RAM dynamic RAM动态Ramond rs point拉蒙氏点rammed concrete夯实混凝土Ram Air Cushion冲压气垫rami viscerales[医] 脏支rammer the sand舂砂rami descendens[医] 降支rami parietales壁支ram type miller滑枕式铣床