A、0.5級,2.0級,0.2S級,0.2S級 B、0.5或0.5S級,2.0級,0.2級,0.2S級 C、0.5S級,2.0級,0.2級,0.2S級 D、0.5或0.5S級,2.0級,0.2S級,0.2S級
A、Ⅰ B、Ⅱ C、Ⅲ D、Ⅳ
A、-0.16%、+4′ B、-0.14%、+4′ C、-0.16%、+4.0′ D、-0.14%、+4.0′