Peb-section Core ntsis
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Peb ntu Core ntsis (Coupling + Tube + ntsis)
Feem ntau yog siv rau drilling pob zeb, pob zeb ua vaj tse, cib, thaiv thiab lwm yam. Ceev ceev, du thiab lub neej ntev.Ntu ntawm cov khoom tseem ceeb tuaj yeem yog hom Ib txwm, Turbo Hom
Machinery: Tes tuav xyaum, drilling tshuab.Ntev siv.
