Cov yam ntxwv tseem ceeb ntawm Av Pump Accessories
Ⅰ. Dab tsi yog av nkos accessories?
Roj drilling av nkos twj accessories, tseem hu ua oilfield av nkos twj tso kua mis accessories, yog ib qho tseem ceeb ntawm cov khoom siv drilling, siv los thauj cov dej ntws tawm xws li av nkos lossis dej rau hauv lub qhov dej thaum lub sijhawm drilling.