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单词
friction blocks
释义
friction blocks
friction blocks
[
′frik·shən ‚bläks
]
(petroleum engineering)
Thin blocks with cylindrical surfaces that drag on the inside of the well casing to prevent rotation of the packer (seal between the outside of tubing and inside of casing).
随便看
on a kick about something
on a knife edge
on a knife-edge
onal
on a lark
onalaska community youth center
onalaska shared ride taxi
on alert
on a level with
on a limb
on all fours
on all fours with
on all fours with (something)
on all fours with something
on all hands
on all sides
on/along the lines of...
on a losing wicket
on a lower floor
onam
on a mat appear
onamatappear
onamatopeia
onamatopoeia
onametopia
英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。
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更新时间：2026/8/13 11:42:36