单词	cylindrical shell
释义	Cylindrical shell Cylindrical shell A roof structure that forms part of a cylinder; its cross section is generally a circular arc, though elliptical and catenary cylindrical shells have been built.
随便看	nmsc nmscc nms-co nmsco nmscpa nmscs nmsd nmsdc nmsdf nmsdp nmse nmsea nmsef nmseo nmsep nmses nmsez nmsf nmsg nmsgc nmsh nmshc nmshmm nmshp nmshpo

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