Cov txiaj ntsig ntawm cov kauj ruam tho kev

Cov txiaj ntsig yog dab tsi?

• (kuj) ntxuav qhov
• luv ntev rau kev yooj yim maneuverability
• Sai Drilling
• Tsis muaj kev xav tau ntau ntawm Twist laum me me

Kauj ruam dej ua haujlwm zoo rau ntawm cov ntawv hlau. Lawv tuaj yeem siv rau lwm cov ntaub ntawv ib yam nkaus, tab sis koj yuav tsis tau txais ib lub qhov ncaj du-walled qhov hauv cov khoom tuab tuab dua li qhov siab.

Kauj ruam cov khoom lag luam yog muaj txiaj ntsig zoo rau ib-kauj ruam drilling kev ua haujlwm.
Qee kauj ruam kev xyaum yog tus kheej-pib, tab sis cov loj dua yuav tsum tau ib lub qhov tsav. Feem ntau koj tuaj yeem siv cov kauj ruam me me laum me ntsis mus ua kom lub qhov sim rau qhov loj dua.

Qee tus neeg ntxub cov kauj ruam, tab sis ntau tus hlub lawv. Lawv zoo li yuav nrov heev nrog cov neeg siv cov kws tshaj lij uas tsuas yog yuav tsum tau nqa cov kauj ruam me ntsis lossis ob peb ntau dua li ob peb ntau dua li ntau thiab tsawg.

Nws tuaj yeem yog ib qho muag muag, ua kom ib tug neeg ntawm kev ua haujlwm me me. Tus nqi ntawm cov khoom zoo dua qub pib ntawm $ 18 lossis yog li, thiab nce qib siab rau qhov loj me me, tab sis raws li tau hais koj tuaj yeem tau txais generic-cov khoom lag luam tsawg.