A ballpoint pen is adequate for most ordinary purposes.

原珠笔适合最普通的用途。

It's adequate for kind of mechanical seal,it's material conrist of Fluororubber,Silastie,Buna n rubber and each latex ware.

产品适用于各种机械密封，有氟橡胶、硅橡胶、丁氰橡胶、三元乙丙胶等各种橡胶制品。

However, other solvents, such as acetone and trichlorotrifluoroethane, were not and the procedure was adequate for recovering a known inoculum of spores.

不过其他溶剂（如丙酮和三氯三氟乙烷）就不会，操作适用于回收孢子接种物。