封堵封窜  chemical plugging and channelling plugging

封堵机  stopple plugging machine

封堵机理  sealing mechanism; Plugging mechanism; blocking mechanism

机制封装  mec hanism encapsulation

密封机制  sealing mechanism; seal mechanism

Q调制机制  Q-modulating mechanism

TCP友好控制机制  TFRC TCP-friendly rate control

安全控制机制  security control mechanism

并发操作控制机制  concurrent manipulation control scheme

并发控制机制  concurrency control mechanism

并行控制机制  concurrent control mechanism

差错控制机制  error control

存取控制机制  access control mechanism; access code; acceptance test

错误控制机制  error control mechanism

打印机机制  printer mechanism

递归控制机制  recursive control mechanism

调制机制  modulation

访问控制机制  access control mechanisms; access control mechanism

费用控制机制  cost control mechanisms