A.30cmx30cmx50cm,30cmx30cmx25cm
B.30cmx25cmx25cm,30cmx30cmx25cm
C.30cmx30cmx25cm,30cmx30cmx50cm
A.30、30、30
B.30、30、40
C.30、30、50
D.30、40、50
A.30cmX30cmX15cm;30cmX30cmX30cm
B.30cmX30cmX20cm;30cmX30cmX40cm
C.30cmX30cmX25cm;30cmX30cmX50cm
D.30cmX30cmX30cm;30cmX30cmX60cm