Bailey Portable Truss Bridges Erecting Machine Txais Prefabricated Assembly Bailey Choj Cheeb Tsam

Bailey portable truss choj txhim kho lub tshuab txais yuav cov khoom sib dhos ua ke bailey choj cov khoom siv - cov vaj huam sib luag bailey ua cov kab lus qhia ua ke. Nws tsis tsuas yog muaj cov qauv yooj yim, teeb pom kev nrawm, hloov pauv tau zoo, kev sib xyaw ua ke zoo, muaj kev sib hloov pauv tau yooj yim, sib dhos yooj yim, thiab lwm yam, tab sis kuj tseem tsis tau txuas tus choj nqaj, tsis cuam tshuam los ntawm kev nyab xeeb ntawm dej nyab, kev tsim choj tsis muaj tus choj rau kev mus los thiab kev txhim kho ntawm qhov dav dav, dav siv rau kev nqa ntawm nqaj nqaj hlau ua ntej, ntev, hla thiab hloov chaw ntawm kev tsim choj.