A.2131t B.2235t C.2344t D.2445t
A.30m×50m B.28m×48m C.26m×46m D.18m×38m
A.1.68t/m3 B.1.70t/m3 C.1.73t/m3 D.1.75t/m3
A.1710 B.1734 C.1789 D.1811