Precast nqaj yog lub nqaj uas yog prefabricated los ntawm lub Hoobkas thiab tom qab ntawd thauj mus rau kev siv rau kev teeb tsa thiab kho raws cov qauv tsim. Thiab thaum lub sij hawm cov txheej txheem no, Gantry Crane ua lub luag haujlwm tseem ceeb. Nyob rau hauv prefabricated loj teeb meem, peb feem ntau pom cov tsheb ciav hlau Gantry Cranes thiab cov log tsheb roj hmab gantry cranes rau kev tsim khoom thiab kev xa khoom ntawm prefabricated nqaj tsants.
Txawm hais tias koj yog tsim kho vaj tse loj, pouring txuas hniav, cov khoom lag luam kom zoo nkauj lossis lwm cov khoom siv ua kom zoo nkauj, xyacrane yog cov khoom siv txhawb nqa ntawm cov khoom siv hluav taws xob. XyaCraen yuav nqa raws li koj cov kev xav tau tshwj xeeb. Txoj kev npaj tsim qauv crane yog ua kom zoo raws li cov cai.
