The early eighties have successfully developed a set of crane column Arm, Arm type cranes, and achieved a national utility model patent.

八十年代初先后研制成功了定柱式旋臂起重机、壁柱式旋臂起重机，并取得了国家实用新型专利证书。

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Ball and socket joints let your arm bones rotate at the shoulders and also allow the wheels of your car to be turned through the steering column.

球状关节是的人类上肢骨骼可以在肩部自由旋转，这也是汽车车轮在转向柱的操控下转向的关键所在。

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The structure of the photographic elevator generally includes the bottom mobile car, the central column, the main rotating arm and the working platform, and so on.

摄影升降机的结构一般包括底部移动车、中心立柱、主回转臂和工作平台等几部分。

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As Microsoft slowly leaves the legacy world behind in order to keep up with its rivals, a tension will be introduced into the market along a fault line I highlighted in a previous column: the x86-ARM divide, which falls at the bottom of the stack shown in the graphic at the top of the page.

FORBES: Windows Devices: The Future Is Called RT