lock-and-key theory 锁钥说
lockandkey theory 锁与匙论
key lock theory 锁孔理论
lock and key 锁键
lock-and-key hypothesis 锁钥假说
lock-and-key protection 锁与键保护
lock-and-key protection system 锁与键保护系统
under lock and key 妥善锁藏着
bridge lock and shipping 桥闸与航行; 全氟化合物
caps-lock key 大写锁定键
elbow lock and roll 滚人球
key lock 钥匙锁; 键封锁; 键锁
key lock feature 键锁特征
key lock mechanism 钥匙锁定机构
key lock switch 锁定开关
key-lock mechanism 锁匙机理
lock and block system 联动闭塞器制
Lock and culvert 闸涵结构
lock and follow scanner 同步跟踪扫描器