Water quality monitoring device capable of conveniently adjusting wading depth
The water quality monitoring device comprises a main body and a first electric push rod, a positioning clamping groove is formed in the lower end of the main body, a positioning rod is arranged in thepositioning clamping groove, an adjusting sleeve is arranged on the outer side of the lower end of t...
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Format: | Patent |
Sprache: | chi ; eng |
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