English translation for "full-hole rock bit"

全断面无岩心钻头

Similar Words：

"full-hole bit" English translation, "full-hole casing" English translation, "full-hole cementing" English translation, "full-hole core" English translation, "full-hole drilling" English translation, "full-hole testing" English translation, "full-hole tool joint" English translation, "full-hydraulic excavator" English translation, "full-hydraulic type" English translation, "full-hydro-driller" English translation