daim ntawv tshaj tawm taub hau

Cov Khoom Siv Ntsuas Siab, Thaj Chaw Hloov Pauv thiab Cov Syphons

Hikelok muaj ntau yam khoom, suav nrog cov twj siv thiab cov khoom siv sib txuas, cov khoom siv siab heev, cov khoom siv huv heev, cov twj siv ua haujlwm, cov khoom siv nqus tsev, lub tshuab kuaj qauv, lub tshuab ua ntej teeb tsa, chav ntsuas siab thiab cov khoom siv cuab yeej.
Cov cuab yeej siv Hikelokcov ntsuas siab, cov ntsuas dej ntws sib txawv thiab cov syphonsyog dav txuas nrog manifolds.

Muaj lus nug?Nrhiav ib lub chaw muag khoom thiab kev pabcuam