我在乳胶（背面）上有一个长的相关工作表，该工作表不能以两列纸张格式进行调整。所以我使用\onecolumn对我来说效果很好。但是，它在使用\onecolumn之后将表移到了另一页。请帮助我如何从同一页面启动表格。表代码已给出。
\onecolumn
\begin{table}[H]
% \centering
\tiny\setlength{\tabcolsep}{7.5pt}
\caption{Related Work}
\label{tab:table2}
% \begin{adjustbox}{width=\textwidth}
%\begin{adjustbox}{width=0.9\textwidth,center=\textwidth}
%\begin{tabular}{|p{0.2in}|p{0.8in}|p{0.5in}|p{0.7in}|p{0.7in} |p{0.8in}|p{0.8in}|}\hline
% Ref & Techniques & System model & Threat model / Security model & Advantages & Disadvantages & Evaluation criteria \\ \hline
\begin{tabular}{p{0.2in}p{0.5in}p{0.6in}p{1in}p{0.8in}p{1in}p{0.5in}p{0.5in}p{0.1in}}\hline
\textbf{A} & \textbf{B} & \textbf{C} & \textbf{Parameters} & \textbf{Achievements} & \textbf{Limitations} & \textbf{Dataset} & \textbf{Future Work} & \textbf{Year}\\
\hline
\cite{55} & abc & abc & abc & abc & abc & abc & abc & abc\\
\\ \hline
\cite{55} & abc & abc & abc & abc & abc & abc & abc & abc\\
\\ \hline
\cite{55} & abc & abc & abc & abc & abc & abc & abc & abc\\
\\ \hline
\cite{55} & abc & abc & abc & abc & abc & abc & abc & abc\\
\\ \hline
\cite{55} & abc & abc & abc & abc & abc & abc & abc & abc\\
\\ \hline
\cite{55} & abc & abc & abc & abc & abc & abc & abc & abc\\
\\ \hline
\cite{55} & abc & abc & abc & abc & abc & abc & abc & abc\\
\\ \hline
\cite{55} & abc & abc & abc & abc & abc & abc & abc & abc\\
\\ \hline
\cite{55} & abc & abc & abc & abc & abc & abc & abc & abc\\
\\ \hline
\cite{55} & abc & abc & abc & abc & abc & abc & abc & abc\\
\\ \hline
\end{tabular}
%\end{adjustbox}
\end{table}