The pipe racks are moved to and from their stored position by a hydraulic cylinder attached between the mast frame and the lower swing arm.

管架是通过一个装在支架框和下摇动臂之间的液压缸往返于其贮存位置的。

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A device, such as a cylinder, spool, or frame, that turns on an axis and is used for winding and storing rope, tape, film, or other flexible materials.

卷轴：一种如卷筒、卷轴或框，绕轴旋转装置，用于卷起和贮存绳索、磁带、胶片或其它带弹性的物质。

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The lower fulcrum of each hydraulic cylinder is fixed with the transverse walk frame; the top of the hydraulic cylinder is connected with the bottom plane of the bearing frame.

各 液压缸的下支点与横向行走机架固定，液压缸的顶端与承重架底平面 连接。

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By eliminating the bulky V6-engine option in favor of a smaller, 4-cylinder turbocharged engine, Hyundai could design the car on a smaller, lighter steel frame.

FORBES: Magazine Article

It looks like the Italian Gambalunga bikes from years ago, thanks to classic styling cues like a low frame and handlebars, rounded front fairing, its dial design and dual-cylinder exhaust.

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