作业装置为两节四边形伸缩式工作臂，标准车型配有货叉侧移装置。
The operation installment is two quadrangle telescopic handle, has fork which fix could be side to move.
作业装置为两节四边形伸缩式工作臂和吊臂，专用于进集装箱石板材的吊装作业。
The handling equipment are Telescopic boom and Craner, it is expert to handle the stone-slab in container.
曾经认为RNA是脱氧核糖酸的工作臂，其携带遗传密码，但现在研究表明，它能使基因“沉默”，甚至帮助去掉某些基因。
RNA was once seen as the working arm of DNA, which carries the genetic code, but studies show it can "silence" genes and even help cut them up.
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