Rotary tshuab ziab khaub ncaws
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Rotary tshuab ziab khaub ncaws nrog tsawg zog noj thiab cov zis siab
Nta thiab qhov zoo:
1. Raws li cov ntaub ntawv sib txawv kom qhuav, qhov tsim nyog tig lub tog raj kheej tuaj yeem xaiv tau.
2. Kev ua haujlwm du thiab txhim khu kev qha.
3. Cov khoom siv hluav taws xob sib txawv muaj xws li: roj av, diesel, thee, biomass hais, thiab lwm yam.
4. ntse tswj qhov kub thiab txias.
