1. Pawl is a simple device which allows a shaft to turn only one way. 掣爪是一种非常简单的只让转轴往一个方向转动的装置。
2. Accept the installation in your device when prompted on the device display. 接受安装在您的设备出现提示时，在设备上显示。
3. Motor connects to the obliquity sensor to adjust the level state of laser level device. 马达与倾角传感器电连接，用以调整激光水平装置的水平状态。
英英解释
n.
1. an instrumentality invented for a particular purpose
2. something in an artistic work designed to achieve a particular effect
3. any clever maneuver
4. any ornamental pattern or design (as in embroidery)
5. an emblematic design (especially in heraldry)
