The extension is spliced to the trolley beam at one end, and is supported by a floor-standing posts at the other end.

在吊车横梁的一端有扩展来加固，由另一端的地轴架来支撑。

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The extension is spliced to the trolley beam at one end, and is supported by a floor-standing posts at the other end.

在吊车横梁的一端有扩展来加固，由另一端的地轴架来支撑。

youdao