The three different structures are veneer-way reinforced, hard-shell-type and sandwich.

这三种结构分别为单板双向加筋、硬壳式和夹层式。

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The invention relates to a plastic shell-type breaker magnetic test contact protection appliance and a using method thereof.

本发明涉及一种塑壳式断路器磁试验触头保护用具及使用方法。

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The wave propagation and power flow characteristics of a shell-type pipe with circumferential surface crack are investigated and the method for crack detection is proposed.

研究在外力激励下含有环向表面裂纹损伤的壳式管道的波传播与功率流特性，并给出裂纹识别方法。

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He was wearing a grey hooded top that had lime green laces and front pocket, black shell-type tracksuit bottoms and white trainers.

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This means a body-on-frame type of construction in which the shell is bolted onto to a separate chassis.

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In Shell's 99-year history Van der Veer is the first of his type--a sole chief executive, ruling from headquarters in the Hague.

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