Valves with this option have a hand wheel mounted on top of the actuator for manual valve operation.
配置这种备选件的阀门在执行器顶部安装一个手轮用于手动阀门操作。
A miniature linear actuator for the multifingered dexterous robot hand was reported, it is small, but takes on great output force.
报导了用于机器人多指灵巧手的精密微型直线驱动器，它体积小、输出力大。
On the other hand the electron beam should not influence the actuator.
另一方面，不应该影响电子束的致动器。
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