... umbrella-shaped self-expanding anchor 伞式自扩锚 umbrella shaped roof 伞形屋顶 heart shaped umbrella 心型伞 ...
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umbrella-shaped roof 伞形屋顶
umbrella shaped roof
伞形屋顶
以上为机器翻译结果，长、整句建议使用 人工翻译 。
In connection with an engineering example, this paper introduces the application of a novel active roof-propping technique which uses umbrella-shaped braces and screw jacks for active propping.
在该工程中采用了新颖的伞型斜向支撑技术，并利用螺旋式千斤顶进行主动支顶。
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