blocking device

基本解释

The SOWC freewheels in both directions, or holds torque in one or both directions, depending on how the blocking device is rotated.
根据旋转阻挡装置的方式， SOWC可沿两个方向惯性转动，或者沿一个或两个方向保持扭矩。
ip.com
Kiln body of rotary kiln is parallel with level slope, whole kiln body is supported by supporting device, and it controls the blocking device of kiln.
回转窑的窑体与水平呈一定的倾斜，整个窑体由托输装置支承，并有控制窑体上、窜动的挡输装置。
The scheme of adopting the capacitor connected in series with transformer neutral to block DC current is used to the transformer neutral DC current blocking device for No.
针对这一缺陷，通过分析变压器中性点零序电流和保护零序电流的相位关系，提出一种基于变压器中性点零序电流的方向元件。

Penalties for employees caught unlocking their phones could include removing access to email and firewalled apps, immediately blocking communication, and locking or wiping the device.
FORBES: How To Protect Your Company Against The Risks Of Unlocked Phones
Palm's actions makes it seem like there are no other ways for a device to interact with iTunes, and the company's outraged response to Apple blocking the Pre make it seem like Apple is wrong for forbidding non-iPod devices from masquerading as iPods.
ENGADGET: Editorial: Palm, iTunes, and the ties that don't bind