在某些海上挠性管作业机或特殊陆上挠性管作业机上用于使注入头和压力控制设备稳定的支承构架。

A support structure used to stabilize the injector head and pressure-control equipment on some offshore, or special onshore, coiled tubing units.

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她挠了挠胳膊上虫咬的包。

She scratched at the insect bites on her arm.

《牛津词典》

最有意思的是，这位艺术家实际上想亲自为一只猫装备上铠甲，不过失败了，因为猫咪不停地挠他。

The funny fact is that this artist actually tried to dress a cat in one of his costumes but failed, as the animal scratched him.

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And in fact, an example of a methodological attempt was done by Henry Gleitman at University of Pennsylvania, who built a tickle machine, which was this box with these two giant hands that went "r-r-r-r."

实际上,宾夕法尼亚大学的亨利·葛雷曼,曾经进行过研究方法上的尝试,他发明了一台挠痒痒的机器,这是一个装有两只大手的箱子,双手会不停的去挠痒痒

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