Hauj lwm lawm
Kev tsis
Raj Adaddenler
Raj restractler yog gadget siv rau kev tshab txhais. Nws ua rau siv ntau dua ib lub tubular raws li txoj cai ntawm 60 degree thiab nyob ib leeg rau kev teeb tsa ib qho chaw sib txuam zoo. Nws ntes tau cov kev nplua nuj nyob ruaj khov uas tsis muaj qhov tseeb nyob hauv lub raj
Cov neeg tuaj saib xyuas kev pom zoo thiab tso cai rau cov Floc loj mus ncig saib mus rau lub tank rov qab hauv cov ntawv tseem ceeb dua. Lub raj tsim cov channel sau cov khib nyiab mus rau hauv cov loj uas txhawb cov khib nyiab kom xaub channel
Cim npe nrov: Raj Adductler Tank, Tuam Tshoj, cov chaw muag khoom, chaw tsim khoom, Hoobkas, pheej yig, hauv cov qauv, qauv dawb
