Qhov tseem ceeb ntawm txoj kev sib tsoo ntawm kev siv phom hauv qhov tob ua
Rab phom laum yog qhov cuab tam tshaj plaws nyob rau hauv qhov sib sib zog nqus ua, thiab nws sab hauv txias thiab nti raug tshem tawm yog qhov cuab kev tshaj plaws. Rab phom drilling muaj ntau yam zoo, xws li kev ua haujlwm siab, kev ua haujlwm zoo thiab kev siv nyiaj tsawg, yog li ntawd nws tau raug siv ntau thiab ntau dua hauv qhov chaw ua haujlwm. Lub ntse ntawm drilling yog heev yooj yim. Nws yog heev yooj yim rau hle lub kaum sab xis ntawm lub zom zawg tshuab los ntawm kev tshwj xeeb twj RMQ-B rau kev sib tsoo cov xyaum. Tom ntej no, txoj kev sib tsoo ntawm kev siv phom nrog cov kab sib txawv yog luv luv.
1. diam iav 5 hli phom laum tsoo kaum;
Tsab ntawv: vim hais tias txoj kab uas hla ntawm rab phom hauv qhov kev paub meej no me me, sab nraud txiav ntug tsis tuaj yeem sab laug. Lub qhov taw tes yuav tsum tswj tau ntawm 1/4 inch.
2. hli
Cov lus hais: sab nraud ntawm kev txiav plaub ntug yog 0.2 hli .
3. qhov sib tsoo ntawm ib txoj kab uas siv 20 mm
