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發表於:2017-04-27
Atriangularpyramid.TheshapeofawatermoleculeissuchthateachH2Omoleculeissurroundedbyfourneighboursarrangedintheshapeofatriangularpyramid-betterknownasatetrahedron....
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發表於:2018-06-01
Thisislandistriangularinshape.Mostanimalshavetriangularvocalcords.Thesetriangularpatternsshowyouthestateofyourenvironment.EuropeanleeknaturalizedinGreatBritain;leavestria...
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發表於:2017-05-02
Drawthetriangularprismandgetpointsonthesurface.Surgerymagnifierseries,weaksighttreatmentmachineseries,laddertriangularprism.Therearesixorthographicviews.Pleaseimaginethed...