Hydrostatic Resistance Tester
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DRK315A / B Npuag Hydrostatic Pressure Tester
Lub tshuab no yog tsim raws li lub teb chaws tus qauv GB / T4744-2013.Nws yog qhov tsim nyog rau kev ntsuas hydrostatic siab tsis kam ntawm cov ntaub, thiab tuaj yeem siv los txiav txim siab hydrostatic siab tsis kam ntawm lwm cov ntaub ntawv txheej.
