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单词
drill stem
释义
drill stem
in the Oil and Gas Industry
(
dr
ɪ
l stɛm
)
Word forms:
(regular plural)
drill stems
noun
(
Extractive engineering
:
Field development
,
Equipment
)
A
drill stem
is all the parts of the equipment used for rotary drilling.
Rotary methods involve rotating a
drill stem
on to which a bit is attached to cut into the geological formation.
A bit attached to a rotating
drill stem
is used for rotary drilling.
A
drill stem
is all the parts of the equipment used for rotary drilling.
drill
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palaeozoologist
palaeozoology
palaestra
palaestrae
palaestral
palaestric
palaestrical
to scrape a living scratch a living
to scrape sth off/from sth
to scrape the barrel to scrape the bottom of the barrel
to scratch o.s.
to scratch the surface (of sth)
to scream at sb
to scream at sb to do sth
to scream sth (at sb)
to screech (at sb)
to screech to a halt
to screen sb for sth
to screen sth from sth
to screw one's eyes/face into a grimace
to screw sth on/into sth
to screw sth on/to sth
to screw sth out of sb
to screw up one's eyes/face
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更新时间：2025/7/27 17:03:01