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 siv zog, 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 laum, drilling tshuab.Wet siv.