Rau ib tug neeg zoo dua kev.，Tej thaj chaw deb tswj knob upgrade.；
(Ib.)Tsis muaj cement slurry yuav nkag mus tom qab lub upgrade.；Tus thawj tsim puv lub pob qhov rooj chassis nrog intervals yooj yim nkag mus rau hauv lub cement slurry.，Lub pob caum chassis no tsis pom tom qab lub upgrade.；
(Ob.)Nws yuav tsis yooj yim tau tom qab ib qho upgrade.； Lub pob caus tshiab yog ua los ntawm aluminum.，Pov tseg cov ntaub ntawv tseem ceeb heev.；
(Peb.)Nws tsis yooj yim mus tua tom qab ib qho upgrade.；Nws yog tua vim hais tias nws yog qab lub cement paddle.，Tsis muaj tu.，nyuaj rau tseeb.。
Tag nrho cov cutting cov neeg muas zaub yog upgrading no lub kaus mom hlau tam sim no.，Daws qhov teeb meem uas koj ces yuav tsum hloov dua encoder hloov ua ntej.。
Ib yam li cov phooj ywg ntxiv kev muag tus thawj tswj kom Oh.!!
