主缸的速度换接与安全行程限制通过行程开关来控制；
Master cylinder for the speed of access restrictions and security through the trip exchanging to control switches.
地球表面的弯曲度把微波的直线行程限制在48公里左右。
The curvature of the earth limits a microwave's line-of-sight path to about 48 km.
一个电动配平作动器连接到行程限制组件上游的人工感觉和配平组件上。
An electric trim actuator is connected to the artificial feel and trim unit upstream of the travel limitation unit.
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