英语语法分析

At both ends of the bearing there are ferrofluid seals.

轴承两端具有铁磁流体密封。

And an investigation on current situation of magnetic ferrofluid technology was carried out.

并对目前的磁流体技术现状进行了一些探讨。

Then the magnetic polymer microspheres were prepared by the dispersion polymerization with ferrofluid.

进而采用磁流体存在下的分散聚合法制得了磁性聚合物微球。