Ordinary Hand-operated Agricultural Sprayer
Sep 02, 2022
Tso lus
Qhov zoo: 1. Tus nqi qis. 2. Kev saib xyuas yooj yim thiab tus nqi qis ntawm cov khoom siv.
Qhov tsis zoo: 1. Kev ua haujlwm tsawg thiab kev siv zog ua haujlwm siab tsis haum rau kev ua haujlwm loj. 2. Cov tshuaj ua kua muaj qhov tshwm sim ntawm kev khiav, khiav, ntws thiab ntws. Tus neeg teb xov tooj tau yooj yim wetted los ntawm cov tshuaj ua kua, uas yooj yim rau kev lom thiab tsis zoo ib puag ncig. 3. Tus nqi txij nkawm yog siab dhau thiab teeb meem heev.
