最后，实验采用加长器件阳极端部管长的方式减少沾污，并得到了实际应用。

At last, the window pollution is reduced by means of prolonging the tube nearby the anode side, and the improving has been used in practice.

youdao

最后，实验采用加长器件阳极端部管长的方式减少沾污，并得到了实际应用。

At last, the window pollution is reduced by means of prolonging the tube nearby the anode side, and the improving has been used in practice.

youdao