Perforated hlau mesh yog ntau yam khoom siv uas tuaj yeem siv rau ntau yam kev lag luam, suav nrog kev tsim kho, tsheb, mining thiab kev ua liaj ua teb. Nws cov khoom tshwj xeeb ua rau nws muaj kev xaiv nrov rau ntau lub lag luam, thiab cov tuam txhab lag luam tshwj xeeb hauv kev tsim perforated mesh muaj qhov tseeb ...
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