Cov Xov Xov Ntxig
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Cov Xov Xov Ntxig
Xov ntxig nkag yog graned rau hauv lub precision granite (xwm granite), xwm txheej, cov ntxhia, ntxhia casting thiab UHPC. Cov xov tso tawm tau teeb tsa rov qab 0-1 mm hauv qab saum npoo (raws li cov neeg siv khoom tau). Peb tuaj yeem ua cov xov ntxig ntws yaug nrog saum npoo (0.01-0.025mm).