For tactical missiles , the us military services have expressed interest in ramjets burning a storable solid fuel .

在战术导弹方面，美国军方则表示对于使用贮藏的固体燃料的冲压发动机感兴趣。

These reagents are fluid , usually easily storable , transportable , they can replace hydrogen fluoride safely in some reactions .

在部分反应中可方便，安全地替代氟化氢作为氟化试剂。