base packer
常见例句
- The returned carrier fluid enters the internal flow path at the base of the tool before crossing over to the annulus above the packer assembly, isolating the annulus.
在轉換至封隔器裝置上麪的環空以前，廻流的攜帶液在工具底部進入內部流動通道，於是將環空隔離。
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