ī???????????
????
????ī?????????????????1919??
????
????????????5?? 5000???/??
?????????????5?? 5000???/??
?????????5?? 4000???/??
??????磨4?? 3500???/??
????????????6?? 4500???/??
?????????????4?? 3500???/??
???????????????1?? 3500???
?????
?????γ???????????????????????????????????????????????????????????????
???????????????????λ??2~2.5????
?????о???????????о?????
??????????????????????????????????????????????????????
???????????????????ζ????
