Dab tsi yog cov yam ntxwv pom tseeb ntawm Submersible Sewage Pumps?
Lub twj tso kua mis submersible yog cov khoom siv twj tso kua mis tsim los ntawm cov yam ntxwv ntawm cov twj tso kua dej. Nws tuaj yeem tsim kua muag thiab txiav ntev fibers, hnab, siv, nyom, ntaub...