foldable造句
Theplaypenincludesanenvelopingpartandafoldablebedstead.Theenvelopingpartcoversaroundthefoldablebedstead.Withthismethodthestructuralanalysisofstaticandkinematicindeterminatefoldablesystemsisconductedan...
Theplaypenincludesanenvelopingpartandafoldablebedstead.Theenvelopingpartcoversaroundthefoldablebedstead.Withthismethodthestructuralanalysisofstaticandkinematicindeterminatefoldablesystemsisconductedan...