特征是主要采用第一拖动装 置和第二拖动装置分别安装在底座上；
The device is characterized in that a first actuator and a second actuator are respectively installed on a base;
两门8毫米口径的机关枪分别被安装在车身两侧的球型固定底座上，做自卫之用。
Two additional Hotchkiss-type 8mm machine guns were fitted in positional ball mountings on either side of the upper hull for self-defense.
它既可在室内使用，又可在符合美国电气制造商协会3r标准的室外使用，能够防雨水、冰雹和冰等，可被安装在墙或底座上。
It's available in both indoor and NEMA 3r-rated outdoor enclosures, able to resist elements such as rain, sleet and ice. And it can be mounted on either a wall or pedestal.
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