The cause of the surface cracks of a bolt bed was analyzed in this paper.
本文分析了飞机前襟翼作动筒连接螺栓底座表面裂纹的形成原因。
Some people think, in order to avoid cracks, why not do the surface firm some.
有人以为，为了避免裂缝，何必不把面层做得结实一些。
The cracks of fine - ground surface is also analysed in a certain degree.
对精磨裂纹也做了一定的分析。
The cracks of fine - ground surface is also analysed in a certain degree.
对精磨裂纹也做了一定的分析。
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