Izici zeamashubhu ensimbi adonswe abandayo
1. I-diameter yangaphandle incane.
2. Ukunemba okuphezulu kungakhiqizwa ngamaqoqo amancane.
3. Imikhiqizo edonswa ngokubanda inokunemba okuphezulu kanye nekhwalithi enhle yendawo.
4. Indawo ye-cross-sectional yepayipi yensimbi iyinkimbinkimbi kakhulu.
5. Ipayipi lensimbi linokusebenza okuphakeme kanye nensimbi eminyene.
Isikhathi sokuthumela: Jul-15-2020