... 外圆筒 out cylinder 外圆周 outer annulus 磨外圆 外圆磨削 cylindricalgrinding ...
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机械专业英语词汇 ... outer air circuit 外[部]风格 outer annulus 外[部]环状空间 outer atmosphere 外层大气 ...
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outer annulus clearance 外环隙
As part of the kill process, the workers drilled into the annulus, or the outer ring of the well.
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