本实用新型涉及光通讯领域，尤其涉及波长选择开关。

The utility model relates to the field of optical communication, in particular to a wavelength selector switch.

youdao

本实用新型涉及光通讯领域，尤其涉及波长选择开关。

The utility model relates to the field of optical communication, in particular to a wavelength selector switch.

youdao