Lub down-the-qhovdth cogyog ib qho khoom siv uas siv cov cua compressed los ua lub zog thiab siv cov lus tsa suab ntawm lub piston hauvraujlos cuam tshuam lub laum me ntsis kom tawg lub pob zeb. Lub down-the-qhovdth cogyog ib qho cuab yeej ua haujlwm ntawm qhov kev xyaum ua haujlwm hauv qab.
DTH rauj yog cov haujlwm ua haujlwm ntawm DTH laum rigs, uas tsav piston tawm mus thiab rov qab los cuam tshuam DTH cov khoom rau tawg pob zeb los ntawm huab cua compressed.
Down-the-hole laum khoom, tseem hu uadth ualaum khoom, txuas nrog rau rauj los ntawm kev xyaum me ntsis lub cev spline, uas coj thiab xa cov kev sib hloov rau rauj.
DTH laum cov khoom siv dav siv hauv cov mining hauv av, quarries, hydraulic thiab Hydro-Power Engineering, dej zoo drilling, Mineral tshawb nrhiav, anchoring qhov drilling, geothermal engineering,
CovKaishan dth drilling ntsisyog siv rau hauv kev tshawb nrhiav geological, thee mine, waterconservancy thiab hydropower, txoj kev loj, railway, choj, kev tsim kho thiab kev tsim kho, thiab lwm yam.
Nta ntawm Cov Cua Kub Siab DTH Drill Bits
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