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Dab tsi yog Down The Hole Drill?
Dab tsi yog qhov down the hole?Cov yam ntxwv ntawm kev siv lub tshuab thauj tog rau nkoj yuav siv tau rau drilling pob zeb thauj tog rau nkoj cable qhov, thauj tog rau nkoj ntsia liaj qhov rooj qhov, blasting qhov, grouting qhov thiab lwm yam drilling hauj lwm nyob rau hauv lub nroog cov tsev, railways, highways, dej ntws, hydropower thiab lwm yam dej num.charac...Nyeem ntxiv -
Txoj Cai Ua Haujlwm Ntawm Cua DTH Rauj
Ua hauj lwm hauv paus ntsiab lus ntawm huab cua DTH rauj Raws li pom nyob rau hauv daim duab 2-5, muaj ib tug piston nyob rau hauv lub tog raj kheej.Thaum cov huab cua compressed nkag mus rau sab sauv ntawm lub tog raj kheej los ntawm cov cua inlet, lub siab ntawm compressed cua ua rau sab sauv kawg ntawm lub piston thiab thawb lub piston mus downward.Thaum kuv...Nyeem ntxiv -
RC Drilling yog dab tsi?
RC Drilling yog dab tsi?Rov qab ncig drilling yog ib txoj hauv kev nrov tshaj plaws ntawm kev tshawb nrhiav pob zeb hauv av.Yug hauv tebchaws Australia, peb yuav los saib thiab muab kev qhia rau koj txog RC drilling.Ntawm no yog qhov peb yuav tau hais txog: Lub hauv paus ntawm Reverse Circulation Drilling Tus Nqi ntawm R...Nyeem ntxiv -
Dab tsi yog Pawg Ntawm DTH Khoom?
1. Convex type: Qhov no me ntsis tuaj nyob rau hauv ob daim ntawv, ib tug thawj coj thiab ob tug thawj coj.Cov yav tas yog tsuas yog siv rau loj-inch DDP khoom.Convex DDRs tuaj yeem khaws tus nqi siab drilling thaum drilling nyuaj thiab nyuaj abrasive pob zeb, tab sis flatness ntawm drilling tsis zoo, yog li nws tsis haum rau drilling engineeri ...Nyeem ntxiv
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