EN 12209:2003 Building hardware locks and latches-Mechanically operated locks, latches and locking plates-Requirements and test methods.
建筑五金的锁及锁舌-机械锁、锁舌和锁扣板-要求和试验方法。
Both ventilation systems can be operated or supported mechanically if desired.
如果需要的话,两者都可以通过机械控制或支持。
ACTUATOR, A mechanical device operated electrically, hydraulically, pneumatically or mechanically for transmitting motion between components.
作动筒,由电,液压,气源或机械驱动的机械装置,用于传送部件之间的运动。
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