Xov xwm kev lag luam
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Cov kav dej twg tsim nyog rau cov yeeb nkab txuas?
1. Galvanized steel yeeb nkab: nws yog welded nrog kub dip txheej los yog electrogalvanized txheej rau saum npoo. Tus nqi pheej yig, muaj zog txhua yam, tab sis yooj yim rau xeb, raj phab ntsa yooj yim rau nplai thiab cov kab mob, lub neej ua haujlwm luv. Galvanized steel yeeb nkab yog dav siv ...Nyeem ntxiv -
Qhov Tsis-excavation Technology ntawm HDPE Pipeline
Hauv cov chaw hauv nroog hauv nroog, cov kav dej mus ntev faus tsis tau thiab pom tsis tau. Thaum twg muaj teeb meem xws li deformation thiab leakage tshwm sim, nws yog ib qho tseem ceeb uas yuav tsum tau "qhib" kom khawb thiab kho, uas coj zoo incon ...Nyeem ntxiv -
Cov neeg nyob hauv Edwardsville tuaj yeem tos ntsoov kho cov kev taug kev, cov dej phwj tuaj thiab txoj kev caij ntuj sov no
Raws li ib feem ntawm lub nroog cov peev nyiaj txhim kho kev txhim kho txhua xyoo, cov kev taug kev uas zoo li no yuav raug hloov sai sai thoob plaws lub nroog. Edwardsville-Tom qab lub nroog council tau pom zoo ntau yam kev tsim kho vaj tse rau hnub Tuesday, cov neeg nyob thoob plaws lub nroog yuav pom upcomi ...Nyeem ntxiv
