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单词
drilling column
释义
drilling column
[`dril·iŋ ´käl·ǝm]
ENGINEERING
The column of drill rods, with the drill bit attached to the end.
随便看
shortcoming
short-contact switch
short-crested wave
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short-delay detonator
short-distance navigation
short flashing light
short fuse
short-gate gain
short-haul
short-haul convoy
short hundredweight
short ink
shortite
short leg
short-line seeking
short-long flashing light
shortness
short oil
short-path principle
short-period comet
short-precision number
short-pulse laser
short radius
short-range attack missile
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更新时间:2024/12/26 3:34:26