弹簧缓冲器的壳体和连接焊缝不应有裂纹或开焊情况。
参考答案：对
Why your brother want he koalas? [ ]
A. do; to see
B. does; to see
C. does; see
D. do; see
对冲基金是一种投资基金，除投资传统的股票债券和货币市场外，它还大量投资于金融衍生品市场。( )
