Thaum lub Cuaj Hlis 29, 2024, tag nrho ntawm 20 units ntawm cov cement grout twj tau raug ntim thiab tos kom xa mus rau qhov chaw nres nkoj xa mus rau txawv teb chaws.
Cov cement grout twj tso kua mis yog tsuas yog siv rau grouting kev tsim kho ntawm txoj kev, choj, pas dej ua ke, lub teb chaws tiv thaiv, mine thiab lwm yam kev tsim kho tej yaam num. Nws tuaj yeem tso dej tshiab, siab ceev cement slurry thiab lwm yam xov xwm ntawm cov khoom tsim tawm tshiab, muaj cov yam ntxwv ntawm cov qauv tsim nyog, cov thev naus laus zis siab, txhim khu kev qha zoo, kev ua haujlwm zoo heev.
Txais tos mus yuav, peb muaj cov qauv sib txawv ntawm cov cement / mortar / concrete grout twj kom tau raws li kev xav tau ntawm kev lag luam sib txawv.
