乘客登机门  passenger entry door

创新守门机制  innovation gatekeeping mechanism

登机门  gate

电磁气门机构  Electromagnetic valve actuation

电磁驱动气门机构  solenoid-actuated valve system

电动开门机  electric opening machine

电控液压驱动可变气门机构  electro-hydraulic variable valve-train

电梯门机  elevator door motor; elevator door machine; elevator door; elevator door system; Door machine of elevator; Elevator Door-motor

电液可变气门机构  electro-hydraulic vari-Keywords:able valve-train

电液气门机构  Electro-hydraulic valve train

发动机机舱检视口门  engine compartment access door

发动机机罩门闩  engine cowl door latch

发动机气门机构  engine valve mechanism

阀门机械联锁  valve mechanical interlocks

缸盖和气门机构  cylinder head and valve mechanism

港口门机  port crane

高架门机  high frame portal crane; overhead door

关门机械  door engine

机门指派  gate assignment

接收机门限电平  receiver threshold-signal level