saddle weight
... 施加压重 ballasting up 压重块 saddle weight 钻压略重就扭矩增大转速减慢的地层 pinching formations ...
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它通红通红的,上面好像压了块千斤重的钢板,逐步下坠了。
It flushed red, and above a piece of heavy pressure like heavy steel plate, and gradually drop the.
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