latex插入两张图片并排

\begin{figure}[htbp]
\centering
\begin{minipage}[t]{0.48\textwidth}
\centering
\includegraphics[width=6cm]{Pic/pic_22}
\label{fig_22}
\caption{两层匝与匝单元计算}
\end{minipage}
\begin{minipage}[t]{0.48\textwidth}
\centering
\includegraphics[width=6cm]{Pic/pic_23}
\caption{相邻两匝绕组的电感计算}
\label{fig_23}
\end{minipage}
\end{figure}