If more in-depth checks are to be used, I recommend using a separate string library to remove some of the complexity.

如果要更深入地进行检查，我建议使用一个单独的字符串库来降低复杂性。

youdao

Remove the depth adjustment ring from the motor. It is not used with the plunge base.

取下电机上的深度调节圈，它不用于垂直可调底座。

youdao

SONDERMANN filters are used to remove, by means of depth-type or surface filtration, both organic and inorganic contaminations from aggressive and neutral liquids.

SONDERMANN过滤器通过深度和表面过滤用来从活跃和中性液体中去除有机和无机杂质。

youdao