Nrog rau tus extension thiab reconstruction ntawm lub nroog, cov neeg khiav dej num yuav tau mus ntsib cov mov siv uas yog ib qho teeb meem insoluble thiab kev txuas tseem ceeb uas yuav pab tau cov civilization ntawm lub nroog. Yuav ua li cas rau cov ntaub ntawv pov tseg los ntawm siv? ¿Yog muaj ib co tshiab machinery los tshiab siv daim duab uas siv pov tseg? Ntawm qhov teeb meem no dhau los, Shanghai Liming li, Nws muaj explored ntse ib siv siv khib tshiab tom qab xyoo ntawm kev tshawb fawb lub. Siv tshwj xeeb machinery, cov khib nyiab siv yog crushed thiab sieved, ces, Nws yog lug siv rau ntau yam piav cib, pavement thiab siv. Qhov tshiab yeej muaj reocasion pov tseg rau ntawm tus siv, Koj tau ntawm lub xeev thiab cov neeg. Thiab nws muab ib lub tswv yim ntawm txoj kev loj hlob rau txoj kev loj hlob nyob.
Thaum txoj crushing siv pov tseg, Peb muaj ib qhov zoo tshaj plaws vibrating feeder, lub puab tsaig Crusher, kev cuam tshuam cov crusher, vijtsam mesh vibrating, siv conveyor thiab lwm cov cav tov hais txog. Yog mus ua hauj lwm nrog koj thiab peb siv zog los ntawm kev ua hauj lwm tsis yog cov civilization ntawm lub nroog.
