A rapier is merely a device made of metal or a composite material with an attachment on the end to carry the filling yarn through the shed.

剑杆仅仅是这样一个装置，它由金属或复合材料制成，在其头部有一个附件携带纬纱穿过梭口。

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Control valve is a pipe attachment, which is used to change the channel cross-section and flow direction, the control flow of a medium transport device.

调节阀是一种管路附件，它是用来改变通路断面和介质流动方向，控制输送介质流动的一种装置。

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Two viewing Windows are equipped with a quick-attachment device, and several electric jacks are provided for electric leads.

两个观测窗口配备有快速辅助装置及一些为连结电缆而准备的电插座。

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They also retrieved space station experiments and moved a stowage-platform attachment device.

BBC: The two astronauts spent nearly seven hours on the outside

Leckar responded that those are questions for another day, but this case was about the illegal attachment of a monitoring device to a car.

FORBES: GPS Case Leaves Justices Groping For A Rule

Everyday snappers might find an extra hotshoe attachment cumbersome, but astro-photography enthusiasts could well be enticed by the device's interesting "ASTROTRACER" function.

ENGADGET: Pentax releases O-GPS1 add-on for DSLRs, appeals to astronomy nuts