Dab tsi yog Qhov Kev Tshaj Tawm Tshaj Tawm? Puas yog Exposed Aggregate Stronger dua pob zeb?
Exposed aggregate yog cov txheej txheem kho kom zoo nkauj pob zeb uas cov txheej txheem sab saum toj raug xaiv tshem tawm kom nthuav tawm cov khoom sib sau, xws li pob zeb lossis pebbles, kos rau hauv cov pob zeb sib xyaw. Qhov kev ua tiav no tsim kom pom qhov pom kev txaus siab thiab textured nto uas tuaj yeem ua rau koj ...
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